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   <div id="projectname">LibDriver DS18B20
   &#160;<span id="projectnumber">2.0.0</span>
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   <div id="projectbrief">DS18B20 full function driver</div>
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<div class="title">driver_ds18b20.c</div>  </div>
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<a href="driver__ds18b20_8c.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160; </div>
<div class="line"><a name="l00038"></a><span class="lineno">   38</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="driver__ds18b20_8h.html">driver_ds18b20.h</a>&quot;</span></div>
<div class="line"><a name="l00039"></a><span class="lineno">   39</span>&#160; </div>
<div class="line"><a name="l00043"></a><span class="lineno"><a class="line" href="driver__ds18b20_8c.html#adc9da0a24824ca1239b593f6459b3954">   43</a></span>&#160;<span class="preprocessor">#define CHIP_NAME                 &quot;Maxim Integrated DS18B20&quot;</span>        </div>
<div class="line"><a name="l00044"></a><span class="lineno"><a class="line" href="driver__ds18b20_8c.html#aaa2b8f5b105c3019df0cb346f472e803">   44</a></span>&#160;<span class="preprocessor">#define MANUFACTURER_NAME         &quot;Maxim Integrated&quot;</span>                </div>
<div class="line"><a name="l00045"></a><span class="lineno"><a class="line" href="driver__ds18b20_8c.html#aac8d8cbd899667d609787ef4cf37054d">   45</a></span>&#160;<span class="preprocessor">#define SUPPLY_VOLTAGE_MIN        3.0f                              </span></div>
<div class="line"><a name="l00046"></a><span class="lineno"><a class="line" href="driver__ds18b20_8c.html#a68eba8b601afe11f1b871d944976c035">   46</a></span>&#160;<span class="preprocessor">#define SUPPLY_VOLTAGE_MAX        5.5f                              </span></div>
<div class="line"><a name="l00047"></a><span class="lineno"><a class="line" href="driver__ds18b20_8c.html#a2989837a37d6d63b59c6dd541b785435">   47</a></span>&#160;<span class="preprocessor">#define MAX_CURRENT               4.0f                              </span></div>
<div class="line"><a name="l00048"></a><span class="lineno"><a class="line" href="driver__ds18b20_8c.html#aab353db5bf4eb787f86a2080f609a551">   48</a></span>&#160;<span class="preprocessor">#define TEMPERATURE_MIN           -55.0f                            </span></div>
<div class="line"><a name="l00049"></a><span class="lineno"><a class="line" href="driver__ds18b20_8c.html#a90c0b20d54005712fcc8cb01281360e9">   49</a></span>&#160;<span class="preprocessor">#define TEMPERATURE_MAX           125.0f                            </span></div>
<div class="line"><a name="l00050"></a><span class="lineno"><a class="line" href="driver__ds18b20_8c.html#ae578001fe043b4cca7a0edd801cfe9c4">   50</a></span>&#160;<span class="preprocessor">#define DRIVER_VERSION            2000                              </span></div>
<div class="line"><a name="l00055"></a><span class="lineno"><a class="line" href="driver__ds18b20_8c.html#ae6f3a99c114a9bc39c195871ad337653">   55</a></span>&#160;<span class="preprocessor">#define DS18B20_CMD_SEARCH_ROM               0xF0        </span></div>
<div class="line"><a name="l00056"></a><span class="lineno"><a class="line" href="driver__ds18b20_8c.html#a72f0f569eb68858f479bcc730c3e295c">   56</a></span>&#160;<span class="preprocessor">#define DS18B20_CMD_READ_ROM                 0x33        </span></div>
<div class="line"><a name="l00057"></a><span class="lineno"><a class="line" href="driver__ds18b20_8c.html#a6cdf02a12f71612a40dde0a265ebd75b">   57</a></span>&#160;<span class="preprocessor">#define DS18B20_CMD_MATCH_ROM                0x55        </span></div>
<div class="line"><a name="l00058"></a><span class="lineno"><a class="line" href="driver__ds18b20_8c.html#a608ba051f40d5b9e54f8ebc016dc1514">   58</a></span>&#160;<span class="preprocessor">#define DS18B20_CMD_SKIP_ROM                 0xCC        </span></div>
<div class="line"><a name="l00059"></a><span class="lineno"><a class="line" href="driver__ds18b20_8c.html#afae59ed6acc15562eda1a04e26b10b99">   59</a></span>&#160;<span class="preprocessor">#define DS18B20_CMD_ALARM_SEARCH             0xEC        </span></div>
<div class="line"><a name="l00060"></a><span class="lineno"><a class="line" href="driver__ds18b20_8c.html#ac2a9d81efb3ef7b921377c116e41a3f8">   60</a></span>&#160;<span class="preprocessor">#define DS18B20_CMD_CONVERT_T                0x44        </span></div>
<div class="line"><a name="l00061"></a><span class="lineno"><a class="line" href="driver__ds18b20_8c.html#a57959c93d714e1c177afc244b2c57d5e">   61</a></span>&#160;<span class="preprocessor">#define DS18B20_CMD_WRITE_SCRATCHPAD         0x4E        </span></div>
<div class="line"><a name="l00062"></a><span class="lineno"><a class="line" href="driver__ds18b20_8c.html#a3734ec2848db33401ad3246798e474a7">   62</a></span>&#160;<span class="preprocessor">#define DS18B20_CMD_READ_SCRATCHPAD          0xBE        </span></div>
<div class="line"><a name="l00063"></a><span class="lineno"><a class="line" href="driver__ds18b20_8c.html#ae93330bdd8be8a8321fab8fd377f032d">   63</a></span>&#160;<span class="preprocessor">#define DS18B20_CMD_COPY_SCRATCHPAD          0x48        </span></div>
<div class="line"><a name="l00064"></a><span class="lineno"><a class="line" href="driver__ds18b20_8c.html#ab8ff7b9c7b59106d5c9bda3c03d56c6d">   64</a></span>&#160;<span class="preprocessor">#define DS18B20_CMD_RECALL_EE                0xB8        </span></div>
<div class="line"><a name="l00065"></a><span class="lineno"><a class="line" href="driver__ds18b20_8c.html#afacf9219cf1ebe44185d974711492cdc">   65</a></span>&#160;<span class="preprocessor">#define DS18B20_CMD_READ_POWER_SUPPLY        0xB4        </span></div>
<div class="line"><a name="l00070"></a><span class="lineno"><a class="line" href="driver__ds18b20_8c.html#a32219b19129afbf46d1a7025492ed4e4">   70</a></span>&#160;<span class="keyword">const</span> uint8_t <a class="code" href="driver__ds18b20_8c.html#a32219b19129afbf46d1a7025492ed4e4">gc_ds18b20_crc_table</a>[256] =</div>
<div class="line"><a name="l00071"></a><span class="lineno">   71</span>&#160;{</div>
<div class="line"><a name="l00072"></a><span class="lineno">   72</span>&#160;    0X00, 0X5E, 0XBC, 0XE2, 0X61, 0X3F, 0XDD, 0X83, 0XC2, 0X9C, 0X7E, 0X20, 0XA3,</div>
<div class="line"><a name="l00073"></a><span class="lineno">   73</span>&#160;    0XFD, 0X1F, 0X41, 0X9D, 0XC3, 0X21, 0X7F, 0XFC, 0XA2, 0X40, 0X1E, 0X5F, 0X01,</div>
<div class="line"><a name="l00074"></a><span class="lineno">   74</span>&#160;    0XE3, 0XBD, 0X3E, 0X60, 0X82, 0XDC, 0X23, 0X7D, 0X9F, 0XC1, 0X42, 0X1C, 0XFE,</div>
<div class="line"><a name="l00075"></a><span class="lineno">   75</span>&#160;    0XA0, 0XE1, 0XBF, 0X5D, 0X03, 0X80, 0XDE, 0X3C, 0X62, 0XBE, 0XE0, 0X02, 0X5C,</div>
<div class="line"><a name="l00076"></a><span class="lineno">   76</span>&#160;    0XDF, 0X81, 0X63, 0X3D, 0X7C, 0X22, 0XC0, 0X9E, 0X1D, 0X43, 0XA1, 0XFF, 0X46,</div>
<div class="line"><a name="l00077"></a><span class="lineno">   77</span>&#160;    0X18, 0XFA, 0XA4, 0X27, 0X79, 0X9B, 0XC5, 0X84, 0XDA, 0X38, 0X66, 0XE5, 0XBB,</div>
<div class="line"><a name="l00078"></a><span class="lineno">   78</span>&#160;    0X59, 0X07, 0XDB, 0X85, 0X67, 0X39, 0XBA, 0XE4, 0X06, 0X58, 0X19, 0X47, 0XA5,</div>
<div class="line"><a name="l00079"></a><span class="lineno">   79</span>&#160;    0XFB, 0X78, 0X26, 0XC4, 0X9A, 0X65, 0X3B, 0XD9, 0X87, 0X04, 0X5A, 0XB8, 0XE6,</div>
<div class="line"><a name="l00080"></a><span class="lineno">   80</span>&#160;    0XA7, 0XF9, 0X1B, 0X45, 0XC6, 0X98, 0X7A, 0X24, 0XF8, 0XA6, 0X44, 0X1A, 0X99,</div>
<div class="line"><a name="l00081"></a><span class="lineno">   81</span>&#160;    0XC7, 0X25, 0X7B, 0X3A, 0X64, 0X86, 0XD8, 0X5B, 0X05, 0XE7, 0XB9, 0X8C, 0XD2,</div>
<div class="line"><a name="l00082"></a><span class="lineno">   82</span>&#160;    0X30, 0X6E, 0XED, 0XB3, 0X51, 0X0F, 0X4E, 0X10, 0XF2, 0XAC, 0X2F, 0X71, 0X93,</div>
<div class="line"><a name="l00083"></a><span class="lineno">   83</span>&#160;    0XCD, 0X11, 0X4F, 0XAD, 0XF3, 0X70, 0X2E, 0XCC, 0X92, 0XD3, 0X8D, 0X6F, 0X31,</div>
<div class="line"><a name="l00084"></a><span class="lineno">   84</span>&#160;    0XB2, 0XEC, 0X0E, 0X50, 0XAF, 0XF1, 0X13, 0X4D, 0XCE, 0X90, 0X72, 0X2C, 0X6D,</div>
<div class="line"><a name="l00085"></a><span class="lineno">   85</span>&#160;    0X33, 0XD1, 0X8F, 0X0C, 0X52, 0XB0, 0XEE, 0X32, 0X6C, 0X8E, 0XD0, 0X53, 0X0D,</div>
<div class="line"><a name="l00086"></a><span class="lineno">   86</span>&#160;    0XEF, 0XB1, 0XF0, 0XAE, 0X4C, 0X12, 0X91, 0XCF, 0X2D, 0X73, 0XCA, 0X94, 0X76,</div>
<div class="line"><a name="l00087"></a><span class="lineno">   87</span>&#160;    0X28, 0XAB, 0XF5, 0X17, 0X49, 0X08, 0X56, 0XB4, 0XEA, 0X69, 0X37, 0XD5, 0X8B,</div>
<div class="line"><a name="l00088"></a><span class="lineno">   88</span>&#160;    0X57, 0X09, 0XEB, 0XB5, 0X36, 0X68, 0X8A, 0XD4, 0X95, 0XCB, 0X29, 0X77, 0XF4,</div>
<div class="line"><a name="l00089"></a><span class="lineno">   89</span>&#160;    0XAA, 0X48, 0X16, 0XE9, 0XB7, 0X55, 0X0B, 0X88, 0XD6, 0X34, 0X6A, 0X2B, 0X75,</div>
<div class="line"><a name="l00090"></a><span class="lineno">   90</span>&#160;    0X97, 0XC9, 0X4A, 0X14, 0XF6, 0XA8, 0X74, 0X2A, 0XC8, 0X96, 0X15, 0X4B, 0XA9,</div>
<div class="line"><a name="l00091"></a><span class="lineno">   91</span>&#160;    0XF7, 0XB6, 0XE8, 0X0A, 0X54, 0XD7, 0X89, 0X6B, 0X35,</div>
<div class="line"><a name="l00092"></a><span class="lineno">   92</span>&#160;};</div>
<div class="line"><a name="l00093"></a><span class="lineno">   93</span>&#160; </div>
<div class="line"><a name="l00104"></a><span class="lineno">  104</span>&#160;<span class="keyword">static</span> uint8_t a_ds18b20_check_crc(uint8_t *buf, uint8_t len, uint8_t crc)</div>
<div class="line"><a name="l00105"></a><span class="lineno">  105</span>&#160;{</div>
<div class="line"><a name="l00106"></a><span class="lineno">  106</span>&#160;    uint8_t i;</div>
<div class="line"><a name="l00107"></a><span class="lineno">  107</span>&#160;    uint8_t crc8 = 0;</div>
<div class="line"><a name="l00108"></a><span class="lineno">  108</span>&#160;    </div>
<div class="line"><a name="l00109"></a><span class="lineno">  109</span>&#160;    <span class="keywordflow">for</span> (i = 0; i &lt; len; i++)</div>
<div class="line"><a name="l00110"></a><span class="lineno">  110</span>&#160;    {</div>
<div class="line"><a name="l00111"></a><span class="lineno">  111</span>&#160;        crc8 = <a class="code" href="driver__ds18b20_8c.html#a32219b19129afbf46d1a7025492ed4e4">gc_ds18b20_crc_table</a>[crc8 ^ buf[i]];        <span class="comment">/* calculate crc */</span></div>
<div class="line"><a name="l00112"></a><span class="lineno">  112</span>&#160;    }</div>
<div class="line"><a name="l00113"></a><span class="lineno">  113</span>&#160;    <span class="keywordflow">if</span> (crc8 == crc)                                       <span class="comment">/* check crc */</span></div>
<div class="line"><a name="l00114"></a><span class="lineno">  114</span>&#160;    {</div>
<div class="line"><a name="l00115"></a><span class="lineno">  115</span>&#160;        <span class="keywordflow">return</span> 0;                                          <span class="comment">/* return right */</span></div>
<div class="line"><a name="l00116"></a><span class="lineno">  116</span>&#160;    }</div>
<div class="line"><a name="l00117"></a><span class="lineno">  117</span>&#160;    <span class="keywordflow">else</span></div>
<div class="line"><a name="l00118"></a><span class="lineno">  118</span>&#160;    {</div>
<div class="line"><a name="l00119"></a><span class="lineno">  119</span>&#160;        <span class="keywordflow">return</span> 1;                                          <span class="comment">/* return wrong */</span></div>
<div class="line"><a name="l00120"></a><span class="lineno">  120</span>&#160;    }</div>
<div class="line"><a name="l00121"></a><span class="lineno">  121</span>&#160;}</div>
<div class="line"><a name="l00122"></a><span class="lineno">  122</span>&#160; </div>
<div class="line"><a name="l00131"></a><span class="lineno">  131</span>&#160;<span class="keyword">static</span> uint8_t a_ds18b20_reset(<a class="code" href="structds18b20__handle__s.html">ds18b20_handle_t</a> *handle)</div>
<div class="line"><a name="l00132"></a><span class="lineno">  132</span>&#160;{</div>
<div class="line"><a name="l00133"></a><span class="lineno">  133</span>&#160;    uint8_t retry = 0;</div>
<div class="line"><a name="l00134"></a><span class="lineno">  134</span>&#160;    uint8_t res;</div>
<div class="line"><a name="l00135"></a><span class="lineno">  135</span>&#160;    </div>
<div class="line"><a name="l00136"></a><span class="lineno">  136</span>&#160;    handle-&gt;<a class="code" href="structds18b20__handle__s.html#aac09376076eae94d89ca85ff63018eee">disable_irq</a>();                                              <span class="comment">/* disable irq */</span></div>
<div class="line"><a name="l00137"></a><span class="lineno">  137</span>&#160;    <span class="keywordflow">if</span> (handle-&gt;<a class="code" href="structds18b20__handle__s.html#abfcb2d495a2e0ec23a7c710c62a95c5b">bus_write</a>(0) != 0)                                      <span class="comment">/* write 0 */</span></div>
<div class="line"><a name="l00138"></a><span class="lineno">  138</span>&#160;    {</div>
<div class="line"><a name="l00139"></a><span class="lineno">  139</span>&#160;        handle-&gt;<a class="code" href="structds18b20__handle__s.html#a06c0ed41fc67fd360798b30e8ce1d480">enable_irq</a>();                                           <span class="comment">/* enable irq */</span></div>
<div class="line"><a name="l00140"></a><span class="lineno">  140</span>&#160;        handle-&gt;<a class="code" href="structds18b20__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ds18b20: bus write failed.\n&quot;</span>);            <span class="comment">/* write failed */</span></div>
<div class="line"><a name="l00141"></a><span class="lineno">  141</span>&#160;        </div>
<div class="line"><a name="l00142"></a><span class="lineno">  142</span>&#160;        <span class="keywordflow">return</span> 1;                                                       <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00143"></a><span class="lineno">  143</span>&#160;    }</div>
<div class="line"><a name="l00144"></a><span class="lineno">  144</span>&#160;    handle-&gt;<a class="code" href="structds18b20__handle__s.html#a97ffc4fce945527bd6ab25a3596caef7">delay_us</a>(750);                                              <span class="comment">/* wait 750 us */</span></div>
<div class="line"><a name="l00145"></a><span class="lineno">  145</span>&#160;    <span class="keywordflow">if</span> (handle-&gt;<a class="code" href="structds18b20__handle__s.html#abfcb2d495a2e0ec23a7c710c62a95c5b">bus_write</a>(1) != 0)                                      <span class="comment">/* write 1 */</span></div>
<div class="line"><a name="l00146"></a><span class="lineno">  146</span>&#160;    {</div>
<div class="line"><a name="l00147"></a><span class="lineno">  147</span>&#160;        handle-&gt;<a class="code" href="structds18b20__handle__s.html#a06c0ed41fc67fd360798b30e8ce1d480">enable_irq</a>();                                           <span class="comment">/* enable irq */</span></div>
<div class="line"><a name="l00148"></a><span class="lineno">  148</span>&#160;        handle-&gt;<a class="code" href="structds18b20__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ds18b20: bus write failed.\n&quot;</span>);            <span class="comment">/* write failed */</span></div>
<div class="line"><a name="l00149"></a><span class="lineno">  149</span>&#160;        </div>
<div class="line"><a name="l00150"></a><span class="lineno">  150</span>&#160;        <span class="keywordflow">return</span> 1;                                                       <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00151"></a><span class="lineno">  151</span>&#160;    }</div>
<div class="line"><a name="l00152"></a><span class="lineno">  152</span>&#160;    handle-&gt;<a class="code" href="structds18b20__handle__s.html#a97ffc4fce945527bd6ab25a3596caef7">delay_us</a>(15);                                               <span class="comment">/* wait 15 us */</span></div>
<div class="line"><a name="l00153"></a><span class="lineno">  153</span>&#160;    res = 1;                                                            <span class="comment">/* reset res */</span></div>
<div class="line"><a name="l00154"></a><span class="lineno">  154</span>&#160;    <span class="keywordflow">while</span> ((res != 0) &amp;&amp; (retry &lt; 200))                                 <span class="comment">/* wait 200 us */</span></div>
<div class="line"><a name="l00155"></a><span class="lineno">  155</span>&#160;    {</div>
<div class="line"><a name="l00156"></a><span class="lineno">  156</span>&#160;        <span class="keywordflow">if</span> (handle-&gt;<a class="code" href="structds18b20__handle__s.html#abe23165605a343d08776c029a60eb242">bus_read</a>((uint8_t *)&amp;res) != 0)                     <span class="comment">/* read 1 bit */</span></div>
<div class="line"><a name="l00157"></a><span class="lineno">  157</span>&#160;        {</div>
<div class="line"><a name="l00158"></a><span class="lineno">  158</span>&#160;            handle-&gt;<a class="code" href="structds18b20__handle__s.html#a06c0ed41fc67fd360798b30e8ce1d480">enable_irq</a>();                                       <span class="comment">/* enable irq */</span></div>
<div class="line"><a name="l00159"></a><span class="lineno">  159</span>&#160;            handle-&gt;<a class="code" href="structds18b20__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ds18b20: bus read failed.\n&quot;</span>);         <span class="comment">/* read failed */</span></div>
<div class="line"><a name="l00160"></a><span class="lineno">  160</span>&#160;            </div>
<div class="line"><a name="l00161"></a><span class="lineno">  161</span>&#160;            <span class="keywordflow">return</span> 1;                                                   <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00162"></a><span class="lineno">  162</span>&#160;        }</div>
<div class="line"><a name="l00163"></a><span class="lineno">  163</span>&#160;        retry++;                                                        <span class="comment">/* retry times++ */</span></div>
<div class="line"><a name="l00164"></a><span class="lineno">  164</span>&#160;        handle-&gt;<a class="code" href="structds18b20__handle__s.html#a97ffc4fce945527bd6ab25a3596caef7">delay_us</a>(1);                                            <span class="comment">/* delay 1 us */</span></div>
<div class="line"><a name="l00165"></a><span class="lineno">  165</span>&#160;    }</div>
<div class="line"><a name="l00166"></a><span class="lineno">  166</span>&#160;    <span class="keywordflow">if</span> (retry &gt;= 200)                                                   <span class="comment">/* if retry times is over 200 times */</span></div>
<div class="line"><a name="l00167"></a><span class="lineno">  167</span>&#160;    {</div>
<div class="line"><a name="l00168"></a><span class="lineno">  168</span>&#160;        handle-&gt;<a class="code" href="structds18b20__handle__s.html#a06c0ed41fc67fd360798b30e8ce1d480">enable_irq</a>();                                           <span class="comment">/* enable irq */</span></div>
<div class="line"><a name="l00169"></a><span class="lineno">  169</span>&#160;        handle-&gt;<a class="code" href="structds18b20__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ds18b20: bus read no response.\n&quot;</span>);        <span class="comment">/* no response */</span></div>
<div class="line"><a name="l00170"></a><span class="lineno">  170</span>&#160;        </div>
<div class="line"><a name="l00171"></a><span class="lineno">  171</span>&#160;        <span class="keywordflow">return</span> 1;                                                       <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00172"></a><span class="lineno">  172</span>&#160;    }</div>
<div class="line"><a name="l00173"></a><span class="lineno">  173</span>&#160;    <span class="keywordflow">else</span></div>
<div class="line"><a name="l00174"></a><span class="lineno">  174</span>&#160;    {</div>
<div class="line"><a name="l00175"></a><span class="lineno">  175</span>&#160;        retry = 0;                                                      <span class="comment">/* reset retry */</span></div>
<div class="line"><a name="l00176"></a><span class="lineno">  176</span>&#160;    }</div>
<div class="line"><a name="l00177"></a><span class="lineno">  177</span>&#160;    res = 0;                                                            <span class="comment">/* reset res */</span></div>
<div class="line"><a name="l00178"></a><span class="lineno">  178</span>&#160;    <span class="keywordflow">while</span> ((res == 0)&amp;&amp; (retry &lt; 240))                                  <span class="comment">/* wait 240 us */</span></div>
<div class="line"><a name="l00179"></a><span class="lineno">  179</span>&#160;    {</div>
<div class="line"><a name="l00180"></a><span class="lineno">  180</span>&#160;        <span class="keywordflow">if</span> (handle-&gt;<a class="code" href="structds18b20__handle__s.html#abe23165605a343d08776c029a60eb242">bus_read</a>((uint8_t *)&amp;res) != 0)                     <span class="comment">/* read one bit */</span></div>
<div class="line"><a name="l00181"></a><span class="lineno">  181</span>&#160;        {</div>
<div class="line"><a name="l00182"></a><span class="lineno">  182</span>&#160;            handle-&gt;<a class="code" href="structds18b20__handle__s.html#a06c0ed41fc67fd360798b30e8ce1d480">enable_irq</a>();                                       <span class="comment">/* enable irq */</span></div>
<div class="line"><a name="l00183"></a><span class="lineno">  183</span>&#160;            handle-&gt;<a class="code" href="structds18b20__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ds18b20: bus read failed.\n&quot;</span>);         <span class="comment">/* read failed */</span></div>
<div class="line"><a name="l00184"></a><span class="lineno">  184</span>&#160;            </div>
<div class="line"><a name="l00185"></a><span class="lineno">  185</span>&#160;            <span class="keywordflow">return</span> 1;                                                   <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00186"></a><span class="lineno">  186</span>&#160;        }</div>
<div class="line"><a name="l00187"></a><span class="lineno">  187</span>&#160;        retry++;                                                        <span class="comment">/* retry times++ */</span></div>
<div class="line"><a name="l00188"></a><span class="lineno">  188</span>&#160;        handle-&gt;<a class="code" href="structds18b20__handle__s.html#a97ffc4fce945527bd6ab25a3596caef7">delay_us</a>(1);                                            <span class="comment">/* delay 1 us */</span></div>
<div class="line"><a name="l00189"></a><span class="lineno">  189</span>&#160;    }</div>
<div class="line"><a name="l00190"></a><span class="lineno">  190</span>&#160;    <span class="keywordflow">if</span> (retry &gt;= 240)                                                   <span class="comment">/* if retry times is over 240 times */</span></div>
<div class="line"><a name="l00191"></a><span class="lineno">  191</span>&#160;    {</div>
<div class="line"><a name="l00192"></a><span class="lineno">  192</span>&#160;        handle-&gt;<a class="code" href="structds18b20__handle__s.html#a06c0ed41fc67fd360798b30e8ce1d480">enable_irq</a>();                                           <span class="comment">/* enable irq */</span></div>
<div class="line"><a name="l00193"></a><span class="lineno">  193</span>&#160;        handle-&gt;<a class="code" href="structds18b20__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ds18b20: bus read no response.\n&quot;</span>);        <span class="comment">/* no response */</span></div>
<div class="line"><a name="l00194"></a><span class="lineno">  194</span>&#160;        </div>
<div class="line"><a name="l00195"></a><span class="lineno">  195</span>&#160;        <span class="keywordflow">return</span> 1;                                                       <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00196"></a><span class="lineno">  196</span>&#160;    }</div>
<div class="line"><a name="l00197"></a><span class="lineno">  197</span>&#160;    handle-&gt;<a class="code" href="structds18b20__handle__s.html#a06c0ed41fc67fd360798b30e8ce1d480">enable_irq</a>();                                               <span class="comment">/* enable irq */</span></div>
<div class="line"><a name="l00198"></a><span class="lineno">  198</span>&#160;    </div>
<div class="line"><a name="l00199"></a><span class="lineno">  199</span>&#160;    <span class="keywordflow">return</span> 0;                                                           <span class="comment">/* success return 0 */</span></div>
<div class="line"><a name="l00200"></a><span class="lineno">  200</span>&#160;}</div>
<div class="line"><a name="l00201"></a><span class="lineno">  201</span>&#160; </div>
<div class="line"><a name="l00211"></a><span class="lineno">  211</span>&#160;<span class="keyword">static</span> uint8_t a_ds18b20_read_bit(<a class="code" href="structds18b20__handle__s.html">ds18b20_handle_t</a> *handle, uint8_t *data)</div>
<div class="line"><a name="l00212"></a><span class="lineno">  212</span>&#160;{</div>
<div class="line"><a name="l00213"></a><span class="lineno">  213</span>&#160;    <span class="keywordflow">if</span> (handle-&gt;<a class="code" href="structds18b20__handle__s.html#abfcb2d495a2e0ec23a7c710c62a95c5b">bus_write</a>(0) != 0)                                  <span class="comment">/* write 0 */</span></div>
<div class="line"><a name="l00214"></a><span class="lineno">  214</span>&#160;    {</div>
<div class="line"><a name="l00215"></a><span class="lineno">  215</span>&#160;        handle-&gt;<a class="code" href="structds18b20__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ds18b20: bus write failed.\n&quot;</span>);        <span class="comment">/* write failed */</span></div>
<div class="line"><a name="l00216"></a><span class="lineno">  216</span>&#160;        </div>
<div class="line"><a name="l00217"></a><span class="lineno">  217</span>&#160;        <span class="keywordflow">return</span> 1;                                                   <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00218"></a><span class="lineno">  218</span>&#160;    }</div>
<div class="line"><a name="l00219"></a><span class="lineno">  219</span>&#160;    handle-&gt;<a class="code" href="structds18b20__handle__s.html#a97ffc4fce945527bd6ab25a3596caef7">delay_us</a>(2);                                            <span class="comment">/* wait 2 us */</span></div>
<div class="line"><a name="l00220"></a><span class="lineno">  220</span>&#160;    <span class="keywordflow">if</span> (handle-&gt;<a class="code" href="structds18b20__handle__s.html#abfcb2d495a2e0ec23a7c710c62a95c5b">bus_write</a>(1) != 0)                                  <span class="comment">/* write 1 */</span></div>
<div class="line"><a name="l00221"></a><span class="lineno">  221</span>&#160;    {</div>
<div class="line"><a name="l00222"></a><span class="lineno">  222</span>&#160;        handle-&gt;<a class="code" href="structds18b20__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ds18b20: bus write failed.\n&quot;</span>);        <span class="comment">/* write failed */</span></div>
<div class="line"><a name="l00223"></a><span class="lineno">  223</span>&#160;        </div>
<div class="line"><a name="l00224"></a><span class="lineno">  224</span>&#160;        <span class="keywordflow">return</span> 1;                                                   <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00225"></a><span class="lineno">  225</span>&#160;    }</div>
<div class="line"><a name="l00226"></a><span class="lineno">  226</span>&#160;    handle-&gt;<a class="code" href="structds18b20__handle__s.html#a97ffc4fce945527bd6ab25a3596caef7">delay_us</a>(12);                                           <span class="comment">/* wait 12 us */</span></div>
<div class="line"><a name="l00227"></a><span class="lineno">  227</span>&#160;    <span class="keywordflow">if</span> (handle-&gt;<a class="code" href="structds18b20__handle__s.html#abe23165605a343d08776c029a60eb242">bus_read</a>(data) != 0)                                <span class="comment">/* read 1 bit */</span></div>
<div class="line"><a name="l00228"></a><span class="lineno">  228</span>&#160;    {</div>
<div class="line"><a name="l00229"></a><span class="lineno">  229</span>&#160;        handle-&gt;<a class="code" href="structds18b20__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ds18b20: bus read failed.\n&quot;</span>);         <span class="comment">/* read failed */</span></div>
<div class="line"><a name="l00230"></a><span class="lineno">  230</span>&#160;        </div>
<div class="line"><a name="l00231"></a><span class="lineno">  231</span>&#160;        <span class="keywordflow">return</span> 1;                                                   <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00232"></a><span class="lineno">  232</span>&#160;    }</div>
<div class="line"><a name="l00233"></a><span class="lineno">  233</span>&#160;    handle-&gt;<a class="code" href="structds18b20__handle__s.html#a97ffc4fce945527bd6ab25a3596caef7">delay_us</a>(50);                                           <span class="comment">/* wait 50 us */</span></div>
<div class="line"><a name="l00234"></a><span class="lineno">  234</span>&#160;    </div>
<div class="line"><a name="l00235"></a><span class="lineno">  235</span>&#160;    <span class="keywordflow">return</span> 0;                                                       <span class="comment">/* success return 0 */</span></div>
<div class="line"><a name="l00236"></a><span class="lineno">  236</span>&#160;}</div>
<div class="line"><a name="l00237"></a><span class="lineno">  237</span>&#160; </div>
<div class="line"><a name="l00247"></a><span class="lineno">  247</span>&#160;<span class="keyword">static</span> uint8_t a_ds18b20_read_byte(<a class="code" href="structds18b20__handle__s.html">ds18b20_handle_t</a> *handle, uint8_t *<span class="keywordtype">byte</span>)</div>
<div class="line"><a name="l00248"></a><span class="lineno">  248</span>&#160;{</div>
<div class="line"><a name="l00249"></a><span class="lineno">  249</span>&#160;    uint8_t i, j;</div>
<div class="line"><a name="l00250"></a><span class="lineno">  250</span>&#160;    </div>
<div class="line"><a name="l00251"></a><span class="lineno">  251</span>&#160;    *<span class="keywordtype">byte</span> = 0;                                                              <span class="comment">/* set byte 0 */</span></div>
<div class="line"><a name="l00252"></a><span class="lineno">  252</span>&#160;    handle-&gt;<a class="code" href="structds18b20__handle__s.html#aac09376076eae94d89ca85ff63018eee">disable_irq</a>();                                                  <span class="comment">/* disable irq */</span></div>
<div class="line"><a name="l00253"></a><span class="lineno">  253</span>&#160;    <span class="keywordflow">for</span> (i = 1; i &lt;= 8; i++)</div>
<div class="line"><a name="l00254"></a><span class="lineno">  254</span>&#160;    {</div>
<div class="line"><a name="l00255"></a><span class="lineno">  255</span>&#160;        <span class="keywordflow">if</span> (a_ds18b20_read_bit(handle, (uint8_t *)&amp;j) != 0)                 <span class="comment">/* read 1 bit */</span></div>
<div class="line"><a name="l00256"></a><span class="lineno">  256</span>&#160;        {</div>
<div class="line"><a name="l00257"></a><span class="lineno">  257</span>&#160;            handle-&gt;<a class="code" href="structds18b20__handle__s.html#a06c0ed41fc67fd360798b30e8ce1d480">enable_irq</a>();                                           <span class="comment">/* enable irq */</span></div>
<div class="line"><a name="l00258"></a><span class="lineno">  258</span>&#160;            handle-&gt;<a class="code" href="structds18b20__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ds18b20: bus read byte failed.\n&quot;</span>);        <span class="comment">/* read byte failed */</span></div>
<div class="line"><a name="l00259"></a><span class="lineno">  259</span>&#160;            </div>
<div class="line"><a name="l00260"></a><span class="lineno">  260</span>&#160;            <span class="keywordflow">return</span> 1;                                                       <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00261"></a><span class="lineno">  261</span>&#160;        }</div>
<div class="line"><a name="l00262"></a><span class="lineno">  262</span>&#160;        *<span class="keywordtype">byte</span> = (j &lt;&lt; 7) | ((*<span class="keywordtype">byte</span>) &gt;&gt; 1);                                  <span class="comment">/* set MSB */</span></div>
<div class="line"><a name="l00263"></a><span class="lineno">  263</span>&#160;    }</div>
<div class="line"><a name="l00264"></a><span class="lineno">  264</span>&#160;    handle-&gt;<a class="code" href="structds18b20__handle__s.html#a06c0ed41fc67fd360798b30e8ce1d480">enable_irq</a>();                                                   <span class="comment">/* enable irq */</span></div>
<div class="line"><a name="l00265"></a><span class="lineno">  265</span>&#160;    </div>
<div class="line"><a name="l00266"></a><span class="lineno">  266</span>&#160;    <span class="keywordflow">return</span> 0;                                                               <span class="comment">/* success return 0 */</span></div>
<div class="line"><a name="l00267"></a><span class="lineno">  267</span>&#160;}</div>
<div class="line"><a name="l00268"></a><span class="lineno">  268</span>&#160; </div>
<div class="line"><a name="l00278"></a><span class="lineno">  278</span>&#160;<span class="keyword">static</span> uint8_t a_ds18b20_write_byte(<a class="code" href="structds18b20__handle__s.html">ds18b20_handle_t</a> *handle, uint8_t <span class="keywordtype">byte</span>)</div>
<div class="line"><a name="l00279"></a><span class="lineno">  279</span>&#160;{</div>
<div class="line"><a name="l00280"></a><span class="lineno">  280</span>&#160;    uint8_t j;</div>
<div class="line"><a name="l00281"></a><span class="lineno">  281</span>&#160;    uint8_t test_b;</div>
<div class="line"><a name="l00282"></a><span class="lineno">  282</span>&#160;    </div>
<div class="line"><a name="l00283"></a><span class="lineno">  283</span>&#160;    handle-&gt;<a class="code" href="structds18b20__handle__s.html#aac09376076eae94d89ca85ff63018eee">disable_irq</a>();                                                  <span class="comment">/* disable irq */</span></div>
<div class="line"><a name="l00284"></a><span class="lineno">  284</span>&#160;    <span class="keywordflow">for</span> (j = 1; j &lt;= 8; j++)                                                <span class="comment">/* run 8 times, 8 bits = 1 Byte */</span></div>
<div class="line"><a name="l00285"></a><span class="lineno">  285</span>&#160;    {</div>
<div class="line"><a name="l00286"></a><span class="lineno">  286</span>&#160;        test_b = <span class="keywordtype">byte</span> &amp; 0x01;                                               <span class="comment">/* get 1 bit */</span></div>
<div class="line"><a name="l00287"></a><span class="lineno">  287</span>&#160;        <span class="keywordtype">byte</span> = <span class="keywordtype">byte</span> &gt;&gt; 1;                                                   <span class="comment">/* right shift 1 bit */</span></div>
<div class="line"><a name="l00288"></a><span class="lineno">  288</span>&#160;        <span class="keywordflow">if</span> (test_b != 0)                                                    <span class="comment">/* write 1 */</span></div>
<div class="line"><a name="l00289"></a><span class="lineno">  289</span>&#160;        {</div>
<div class="line"><a name="l00290"></a><span class="lineno">  290</span>&#160;            <span class="keywordflow">if</span> (handle-&gt;<a class="code" href="structds18b20__handle__s.html#abfcb2d495a2e0ec23a7c710c62a95c5b">bus_write</a>(0) != 0)                                  <span class="comment">/* write 0 */</span></div>
<div class="line"><a name="l00291"></a><span class="lineno">  291</span>&#160;            {</div>
<div class="line"><a name="l00292"></a><span class="lineno">  292</span>&#160;                handle-&gt;<a class="code" href="structds18b20__handle__s.html#a06c0ed41fc67fd360798b30e8ce1d480">enable_irq</a>();                                       <span class="comment">/* enable irq */</span></div>
<div class="line"><a name="l00293"></a><span class="lineno">  293</span>&#160;                handle-&gt;<a class="code" href="structds18b20__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ds18b20: bus write failed.\n&quot;</span>);        <span class="comment">/* write failed */</span></div>
<div class="line"><a name="l00294"></a><span class="lineno">  294</span>&#160;                </div>
<div class="line"><a name="l00295"></a><span class="lineno">  295</span>&#160;                <span class="keywordflow">return</span> 1;                                                   <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00296"></a><span class="lineno">  296</span>&#160;            }</div>
<div class="line"><a name="l00297"></a><span class="lineno">  297</span>&#160;            handle-&gt;<a class="code" href="structds18b20__handle__s.html#a97ffc4fce945527bd6ab25a3596caef7">delay_us</a>(2);                                            <span class="comment">/* wait 2 us */</span></div>
<div class="line"><a name="l00298"></a><span class="lineno">  298</span>&#160;            <span class="keywordflow">if</span> (handle-&gt;<a class="code" href="structds18b20__handle__s.html#abfcb2d495a2e0ec23a7c710c62a95c5b">bus_write</a>(1) != 0)                                  <span class="comment">/* write 1 */</span></div>
<div class="line"><a name="l00299"></a><span class="lineno">  299</span>&#160;            {</div>
<div class="line"><a name="l00300"></a><span class="lineno">  300</span>&#160;                handle-&gt;<a class="code" href="structds18b20__handle__s.html#a06c0ed41fc67fd360798b30e8ce1d480">enable_irq</a>();                                       <span class="comment">/* enable irq */</span></div>
<div class="line"><a name="l00301"></a><span class="lineno">  301</span>&#160;                handle-&gt;<a class="code" href="structds18b20__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ds18b20: bus write failed.\n&quot;</span>);        <span class="comment">/* write failed */</span></div>
<div class="line"><a name="l00302"></a><span class="lineno">  302</span>&#160;                </div>
<div class="line"><a name="l00303"></a><span class="lineno">  303</span>&#160;                <span class="keywordflow">return</span> 1;                                                   <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00304"></a><span class="lineno">  304</span>&#160;            }</div>
<div class="line"><a name="l00305"></a><span class="lineno">  305</span>&#160;            handle-&gt;<a class="code" href="structds18b20__handle__s.html#a97ffc4fce945527bd6ab25a3596caef7">delay_us</a>(60);                                           <span class="comment">/* wait 60 us */</span></div>
<div class="line"><a name="l00306"></a><span class="lineno">  306</span>&#160;        }</div>
<div class="line"><a name="l00307"></a><span class="lineno">  307</span>&#160;        <span class="keywordflow">else</span>                                                                <span class="comment">/* write 0 */</span></div>
<div class="line"><a name="l00308"></a><span class="lineno">  308</span>&#160;        {</div>
<div class="line"><a name="l00309"></a><span class="lineno">  309</span>&#160;            <span class="keywordflow">if</span> (handle-&gt;<a class="code" href="structds18b20__handle__s.html#abfcb2d495a2e0ec23a7c710c62a95c5b">bus_write</a>(0) != 0)                                  <span class="comment">/* write 0 */</span></div>
<div class="line"><a name="l00310"></a><span class="lineno">  310</span>&#160;            {</div>
<div class="line"><a name="l00311"></a><span class="lineno">  311</span>&#160;                handle-&gt;<a class="code" href="structds18b20__handle__s.html#a06c0ed41fc67fd360798b30e8ce1d480">enable_irq</a>();                                       <span class="comment">/* enable irq */</span></div>
<div class="line"><a name="l00312"></a><span class="lineno">  312</span>&#160;                handle-&gt;<a class="code" href="structds18b20__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ds18b20: bus write failed.\n&quot;</span>);        <span class="comment">/* write failed */</span></div>
<div class="line"><a name="l00313"></a><span class="lineno">  313</span>&#160;                </div>
<div class="line"><a name="l00314"></a><span class="lineno">  314</span>&#160;                <span class="keywordflow">return</span> 1;                                                   <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00315"></a><span class="lineno">  315</span>&#160;            }</div>
<div class="line"><a name="l00316"></a><span class="lineno">  316</span>&#160;            handle-&gt;<a class="code" href="structds18b20__handle__s.html#a97ffc4fce945527bd6ab25a3596caef7">delay_us</a>(60);                                           <span class="comment">/* wait 60 us */</span></div>
<div class="line"><a name="l00317"></a><span class="lineno">  317</span>&#160;            <span class="keywordflow">if</span> (handle-&gt;<a class="code" href="structds18b20__handle__s.html#abfcb2d495a2e0ec23a7c710c62a95c5b">bus_write</a>(1) != 0)                                  <span class="comment">/* write 1 */</span></div>
<div class="line"><a name="l00318"></a><span class="lineno">  318</span>&#160;            {</div>
<div class="line"><a name="l00319"></a><span class="lineno">  319</span>&#160;                handle-&gt;<a class="code" href="structds18b20__handle__s.html#a06c0ed41fc67fd360798b30e8ce1d480">enable_irq</a>();                                       <span class="comment">/* enable irq */</span></div>
<div class="line"><a name="l00320"></a><span class="lineno">  320</span>&#160;                handle-&gt;<a class="code" href="structds18b20__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ds18b20: bus write failed.\n&quot;</span>);        <span class="comment">/* write failed */</span></div>
<div class="line"><a name="l00321"></a><span class="lineno">  321</span>&#160;                </div>
<div class="line"><a name="l00322"></a><span class="lineno">  322</span>&#160;                <span class="keywordflow">return</span> 1;                                                   <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00323"></a><span class="lineno">  323</span>&#160;            }</div>
<div class="line"><a name="l00324"></a><span class="lineno">  324</span>&#160;            handle-&gt;<a class="code" href="structds18b20__handle__s.html#a97ffc4fce945527bd6ab25a3596caef7">delay_us</a>(2);                                            <span class="comment">/* wait 2 us */</span></div>
<div class="line"><a name="l00325"></a><span class="lineno">  325</span>&#160;        }</div>
<div class="line"><a name="l00326"></a><span class="lineno">  326</span>&#160;    }</div>
<div class="line"><a name="l00327"></a><span class="lineno">  327</span>&#160;    handle-&gt;<a class="code" href="structds18b20__handle__s.html#a06c0ed41fc67fd360798b30e8ce1d480">enable_irq</a>();                                                   <span class="comment">/* enable irq */</span></div>
<div class="line"><a name="l00328"></a><span class="lineno">  328</span>&#160;    </div>
<div class="line"><a name="l00329"></a><span class="lineno">  329</span>&#160;    <span class="keywordflow">return</span> 0;                                                               <span class="comment">/* success return 0 */</span></div>
<div class="line"><a name="l00330"></a><span class="lineno">  330</span>&#160;}</div>
<div class="line"><a name="l00331"></a><span class="lineno">  331</span>&#160; </div>
<div class="line"><a name="l00342"></a><span class="lineno"><a class="line" href="group__ds18b20__base__driver.html#gadd246c4e8a5887a1acd710dee214323c">  342</a></span>&#160;uint8_t <a class="code" href="group__ds18b20__base__driver.html#gadd246c4e8a5887a1acd710dee214323c">ds18b20_set_mode</a>(<a class="code" href="structds18b20__handle__s.html">ds18b20_handle_t</a> *handle, <a class="code" href="group__ds18b20__base__driver.html#gaa76e51e2201d4058f4274ca420c165f6">ds18b20_mode_t</a> mode)</div>
<div class="line"><a name="l00343"></a><span class="lineno">  343</span>&#160;{</div>
<div class="line"><a name="l00344"></a><span class="lineno">  344</span>&#160;    <span class="keywordflow">if</span> (handle == NULL)             <span class="comment">/* check handle */</span></div>
<div class="line"><a name="l00345"></a><span class="lineno">  345</span>&#160;    {</div>
<div class="line"><a name="l00346"></a><span class="lineno">  346</span>&#160;        <span class="keywordflow">return</span> 2;                   <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00347"></a><span class="lineno">  347</span>&#160;    }</div>
<div class="line"><a name="l00348"></a><span class="lineno">  348</span>&#160;    <span class="keywordflow">if</span> (handle-&gt;<a class="code" href="structds18b20__handle__s.html#a19bedf28d2b9748f6a62d9ae93f4e68f">inited</a> != 1)        <span class="comment">/* check handle initialization */</span></div>
<div class="line"><a name="l00349"></a><span class="lineno">  349</span>&#160;    {</div>
<div class="line"><a name="l00350"></a><span class="lineno">  350</span>&#160;        <span class="keywordflow">return</span> 3;                   <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00351"></a><span class="lineno">  351</span>&#160;    }</div>
<div class="line"><a name="l00352"></a><span class="lineno">  352</span>&#160;    </div>
<div class="line"><a name="l00353"></a><span class="lineno">  353</span>&#160;    handle-&gt;<a class="code" href="structds18b20__handle__s.html#a37e90f5e3bd99fac2021fb3a326607d4">mode</a> = (uint8_t)mode;   <span class="comment">/* set mode */</span></div>
<div class="line"><a name="l00354"></a><span class="lineno">  354</span>&#160;    </div>
<div class="line"><a name="l00355"></a><span class="lineno">  355</span>&#160;    <span class="keywordflow">return</span> 0;                       <span class="comment">/* success return 0 */</span></div>
<div class="line"><a name="l00356"></a><span class="lineno">  356</span>&#160;}</div>
<div class="line"><a name="l00357"></a><span class="lineno">  357</span>&#160; </div>
<div class="line"><a name="l00368"></a><span class="lineno"><a class="line" href="group__ds18b20__base__driver.html#gac443f4e1e2ec109676d1842cc7d1e96c">  368</a></span>&#160;uint8_t <a class="code" href="group__ds18b20__base__driver.html#gac443f4e1e2ec109676d1842cc7d1e96c">ds18b20_get_mode</a>(<a class="code" href="structds18b20__handle__s.html">ds18b20_handle_t</a> *handle, <a class="code" href="group__ds18b20__base__driver.html#gaa76e51e2201d4058f4274ca420c165f6">ds18b20_mode_t</a> *mode)</div>
<div class="line"><a name="l00369"></a><span class="lineno">  369</span>&#160;{</div>
<div class="line"><a name="l00370"></a><span class="lineno">  370</span>&#160;    <span class="keywordflow">if</span> (handle == NULL)                            <span class="comment">/* check handle */</span></div>
<div class="line"><a name="l00371"></a><span class="lineno">  371</span>&#160;    {</div>
<div class="line"><a name="l00372"></a><span class="lineno">  372</span>&#160;        <span class="keywordflow">return</span> 2;                                  <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00373"></a><span class="lineno">  373</span>&#160;    }</div>
<div class="line"><a name="l00374"></a><span class="lineno">  374</span>&#160;    <span class="keywordflow">if</span> (handle-&gt;<a class="code" href="structds18b20__handle__s.html#a19bedf28d2b9748f6a62d9ae93f4e68f">inited</a> != 1)                       <span class="comment">/* check handle initialization */</span></div>
<div class="line"><a name="l00375"></a><span class="lineno">  375</span>&#160;    {</div>
<div class="line"><a name="l00376"></a><span class="lineno">  376</span>&#160;        <span class="keywordflow">return</span> 3;                                  <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00377"></a><span class="lineno">  377</span>&#160;    }</div>
<div class="line"><a name="l00378"></a><span class="lineno">  378</span>&#160;    </div>
<div class="line"><a name="l00379"></a><span class="lineno">  379</span>&#160;    *mode = (<a class="code" href="group__ds18b20__base__driver.html#gaa76e51e2201d4058f4274ca420c165f6">ds18b20_mode_t</a>)(handle-&gt;<a class="code" href="structds18b20__handle__s.html#a37e90f5e3bd99fac2021fb3a326607d4">mode</a>);        <span class="comment">/* get mode */</span></div>
<div class="line"><a name="l00380"></a><span class="lineno">  380</span>&#160;    </div>
<div class="line"><a name="l00381"></a><span class="lineno">  381</span>&#160;    <span class="keywordflow">return</span> 0;                                      <span class="comment">/* success return 0 */</span></div>
<div class="line"><a name="l00382"></a><span class="lineno">  382</span>&#160;}</div>
<div class="line"><a name="l00383"></a><span class="lineno">  383</span>&#160; </div>
<div class="line"><a name="l00394"></a><span class="lineno"><a class="line" href="group__ds18b20__base__driver.html#ga4cf8a45542f1dfdca17347c0870f870f">  394</a></span>&#160;uint8_t <a class="code" href="group__ds18b20__base__driver.html#ga4cf8a45542f1dfdca17347c0870f870f">ds18b20_set_rom</a>(<a class="code" href="structds18b20__handle__s.html">ds18b20_handle_t</a> *handle, uint8_t rom[8])</div>
<div class="line"><a name="l00395"></a><span class="lineno">  395</span>&#160;{</div>
<div class="line"><a name="l00396"></a><span class="lineno">  396</span>&#160;    <span class="keywordflow">if</span> (handle == NULL)                  <span class="comment">/* check handle */</span></div>
<div class="line"><a name="l00397"></a><span class="lineno">  397</span>&#160;    {</div>
<div class="line"><a name="l00398"></a><span class="lineno">  398</span>&#160;        <span class="keywordflow">return</span> 2;                        <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00399"></a><span class="lineno">  399</span>&#160;    }</div>
<div class="line"><a name="l00400"></a><span class="lineno">  400</span>&#160;    <span class="keywordflow">if</span> (handle-&gt;<a class="code" href="structds18b20__handle__s.html#a19bedf28d2b9748f6a62d9ae93f4e68f">inited</a> != 1)             <span class="comment">/* check handle initialization */</span></div>
<div class="line"><a name="l00401"></a><span class="lineno">  401</span>&#160;    {</div>
<div class="line"><a name="l00402"></a><span class="lineno">  402</span>&#160;        <span class="keywordflow">return</span> 3;                        <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00403"></a><span class="lineno">  403</span>&#160;    }</div>
<div class="line"><a name="l00404"></a><span class="lineno">  404</span>&#160;    </div>
<div class="line"><a name="l00405"></a><span class="lineno">  405</span>&#160;    memcpy(handle-&gt;<a class="code" href="structds18b20__handle__s.html#ae3c9459b1dbf0dc64f4398a7b7c12e59">rom</a>, rom , 8);        <span class="comment">/* copy rom */</span></div>
<div class="line"><a name="l00406"></a><span class="lineno">  406</span>&#160;    </div>
<div class="line"><a name="l00407"></a><span class="lineno">  407</span>&#160;    <span class="keywordflow">return</span> 0;                            <span class="comment">/* success return 0 */</span></div>
<div class="line"><a name="l00408"></a><span class="lineno">  408</span>&#160;}</div>
<div class="line"><a name="l00409"></a><span class="lineno">  409</span>&#160; </div>
<div class="line"><a name="l00420"></a><span class="lineno"><a class="line" href="group__ds18b20__base__driver.html#gaf4d3d3dd0bc24d0c4fa2822bfbc32f35">  420</a></span>&#160;uint8_t <a class="code" href="group__ds18b20__base__driver.html#gaf4d3d3dd0bc24d0c4fa2822bfbc32f35">ds18b20_get_rom</a>(<a class="code" href="structds18b20__handle__s.html">ds18b20_handle_t</a> *handle, uint8_t rom[8])</div>
<div class="line"><a name="l00421"></a><span class="lineno">  421</span>&#160;{</div>
<div class="line"><a name="l00422"></a><span class="lineno">  422</span>&#160;    uint8_t i;</div>
<div class="line"><a name="l00423"></a><span class="lineno">  423</span>&#160;    </div>
<div class="line"><a name="l00424"></a><span class="lineno">  424</span>&#160;    <span class="keywordflow">if</span> (handle == NULL)                                                 <span class="comment">/* check handle */</span></div>
<div class="line"><a name="l00425"></a><span class="lineno">  425</span>&#160;    {</div>
<div class="line"><a name="l00426"></a><span class="lineno">  426</span>&#160;        <span class="keywordflow">return</span> 2;                                                       <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00427"></a><span class="lineno">  427</span>&#160;    }</div>
<div class="line"><a name="l00428"></a><span class="lineno">  428</span>&#160;    <span class="keywordflow">if</span> (handle-&gt;<a class="code" href="structds18b20__handle__s.html#a19bedf28d2b9748f6a62d9ae93f4e68f">inited</a> != 1)                                            <span class="comment">/* check handle initialization */</span></div>
<div class="line"><a name="l00429"></a><span class="lineno">  429</span>&#160;    {</div>
<div class="line"><a name="l00430"></a><span class="lineno">  430</span>&#160;        <span class="keywordflow">return</span> 3;                                                       <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00431"></a><span class="lineno">  431</span>&#160;    }</div>
<div class="line"><a name="l00432"></a><span class="lineno">  432</span>&#160;    </div>
<div class="line"><a name="l00433"></a><span class="lineno">  433</span>&#160;    <span class="keywordflow">if</span> (a_ds18b20_reset(handle) != 0)                                   <span class="comment">/* reset bus */</span></div>
<div class="line"><a name="l00434"></a><span class="lineno">  434</span>&#160;    {</div>
<div class="line"><a name="l00435"></a><span class="lineno">  435</span>&#160;        handle-&gt;<a class="code" href="structds18b20__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ds18b20: bus rest failed.\n&quot;</span>);             <span class="comment">/* reset bus failed */</span></div>
<div class="line"><a name="l00436"></a><span class="lineno">  436</span>&#160;        </div>
<div class="line"><a name="l00437"></a><span class="lineno">  437</span>&#160;        <span class="keywordflow">return</span> 1;                                                       <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00438"></a><span class="lineno">  438</span>&#160;    }</div>
<div class="line"><a name="l00439"></a><span class="lineno">  439</span>&#160;    <span class="keywordflow">if</span> (a_ds18b20_write_byte(handle, <a class="code" href="driver__ds18b20_8c.html#a72f0f569eb68858f479bcc730c3e295c">DS18B20_CMD_READ_ROM</a>) != 0)        <span class="comment">/* write read rom command */</span></div>
<div class="line"><a name="l00440"></a><span class="lineno">  440</span>&#160;    {</div>
<div class="line"><a name="l00441"></a><span class="lineno">  441</span>&#160;        handle-&gt;<a class="code" href="structds18b20__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ds18b20: write command failed.\n&quot;</span>);        <span class="comment">/* write command failed */</span></div>
<div class="line"><a name="l00442"></a><span class="lineno">  442</span>&#160;        </div>
<div class="line"><a name="l00443"></a><span class="lineno">  443</span>&#160;        <span class="keywordflow">return</span> 1;                                                       <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00444"></a><span class="lineno">  444</span>&#160;    }</div>
<div class="line"><a name="l00445"></a><span class="lineno">  445</span>&#160;    <span class="keywordflow">for</span> (i = 0; i &lt; 8; i++)                                             <span class="comment">/* read 8 bytes */</span></div>
<div class="line"><a name="l00446"></a><span class="lineno">  446</span>&#160;    {</div>
<div class="line"><a name="l00447"></a><span class="lineno">  447</span>&#160;        <span class="keywordflow">if</span> (a_ds18b20_read_byte(handle, (uint8_t *)&amp;rom[i]) != 0)       <span class="comment">/* read 1 byte */</span></div>
<div class="line"><a name="l00448"></a><span class="lineno">  448</span>&#160;        {</div>
<div class="line"><a name="l00449"></a><span class="lineno">  449</span>&#160;            handle-&gt;<a class="code" href="structds18b20__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ds18b20: read rom failed.\n&quot;</span>);         <span class="comment">/* read failed */</span></div>
<div class="line"><a name="l00450"></a><span class="lineno">  450</span>&#160;            </div>
<div class="line"><a name="l00451"></a><span class="lineno">  451</span>&#160;            <span class="keywordflow">return</span> 1;                                                   <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00452"></a><span class="lineno">  452</span>&#160;        }</div>
<div class="line"><a name="l00453"></a><span class="lineno">  453</span>&#160;    }</div>
<div class="line"><a name="l00454"></a><span class="lineno">  454</span>&#160;    </div>
<div class="line"><a name="l00455"></a><span class="lineno">  455</span>&#160;    <span class="keywordflow">return</span> 0;                                                           <span class="comment">/* success return 0 */</span></div>
<div class="line"><a name="l00456"></a><span class="lineno">  456</span>&#160;}</div>
<div class="line"><a name="l00457"></a><span class="lineno">  457</span>&#160; </div>
<div class="line"><a name="l00469"></a><span class="lineno"><a class="line" href="group__ds18b20__base__driver.html#ga93cfb5e6ae40d2595d55aafcd947f4ba">  469</a></span>&#160;uint8_t <a class="code" href="group__ds18b20__base__driver.html#ga93cfb5e6ae40d2595d55aafcd947f4ba">ds18b20_scratchpad_set_resolution</a>(<a class="code" href="structds18b20__handle__s.html">ds18b20_handle_t</a> *handle, <a class="code" href="group__ds18b20__base__driver.html#ga6a1cab097fcad68347f07f97e1bb2af8">ds18b20_resolution_t</a> resolution)</div>
<div class="line"><a name="l00470"></a><span class="lineno">  470</span>&#160;{</div>
<div class="line"><a name="l00471"></a><span class="lineno">  471</span>&#160;    uint8_t i, buf[9];</div>
<div class="line"><a name="l00472"></a><span class="lineno">  472</span>&#160;    </div>
<div class="line"><a name="l00473"></a><span class="lineno">  473</span>&#160;    <span class="keywordflow">if</span> (handle == NULL)                                                         <span class="comment">/* check handle */</span></div>
<div class="line"><a name="l00474"></a><span class="lineno">  474</span>&#160;    {</div>
<div class="line"><a name="l00475"></a><span class="lineno">  475</span>&#160;        <span class="keywordflow">return</span> 2;                                                               <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00476"></a><span class="lineno">  476</span>&#160;    }</div>
<div class="line"><a name="l00477"></a><span class="lineno">  477</span>&#160;    <span class="keywordflow">if</span> (handle-&gt;<a class="code" href="structds18b20__handle__s.html#a19bedf28d2b9748f6a62d9ae93f4e68f">inited</a> != 1)                                                    <span class="comment">/* check handle initialization */</span></div>
<div class="line"><a name="l00478"></a><span class="lineno">  478</span>&#160;    {</div>
<div class="line"><a name="l00479"></a><span class="lineno">  479</span>&#160;        <span class="keywordflow">return</span> 3;                                                               <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00480"></a><span class="lineno">  480</span>&#160;    }</div>
<div class="line"><a name="l00481"></a><span class="lineno">  481</span>&#160;    </div>
<div class="line"><a name="l00482"></a><span class="lineno">  482</span>&#160;    <span class="keywordflow">if</span> (handle-&gt;<a class="code" href="structds18b20__handle__s.html#a37e90f5e3bd99fac2021fb3a326607d4">mode</a> == <a class="code" href="group__ds18b20__base__driver.html#ggaa76e51e2201d4058f4274ca420c165f6a2240dc3e5f913d272861b29b87e06942">DS18B20_MODE_SKIP_ROM</a>)                                  <span class="comment">/* if use skip rom mode */</span></div>
<div class="line"><a name="l00483"></a><span class="lineno">  483</span>&#160;    {</div>
<div class="line"><a name="l00484"></a><span class="lineno">  484</span>&#160;        <span class="keywordflow">if</span> (a_ds18b20_reset(handle) != 0)                                       <span class="comment">/* reset bus */</span></div>
<div class="line"><a name="l00485"></a><span class="lineno">  485</span>&#160;        {</div>
<div class="line"><a name="l00486"></a><span class="lineno">  486</span>&#160;            handle-&gt;<a class="code" href="structds18b20__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ds18b20: bus reset failed.\n&quot;</span>);                <span class="comment">/* bus reset failed */</span></div>
<div class="line"><a name="l00487"></a><span class="lineno">  487</span>&#160;            </div>
<div class="line"><a name="l00488"></a><span class="lineno">  488</span>&#160;            <span class="keywordflow">return</span> 1;                                                           <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00489"></a><span class="lineno">  489</span>&#160;        }</div>
<div class="line"><a name="l00490"></a><span class="lineno">  490</span>&#160;        <span class="keywordflow">if</span> (a_ds18b20_write_byte(handle, <a class="code" href="driver__ds18b20_8c.html#a608ba051f40d5b9e54f8ebc016dc1514">DS18B20_CMD_SKIP_ROM</a>) != 0)            <span class="comment">/* sent skip rom command */</span></div>
<div class="line"><a name="l00491"></a><span class="lineno">  491</span>&#160;        {</div>
<div class="line"><a name="l00492"></a><span class="lineno">  492</span>&#160;            handle-&gt;<a class="code" href="structds18b20__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ds18b20: write command failed.\n&quot;</span>);            <span class="comment">/* write command failed */</span></div>
<div class="line"><a name="l00493"></a><span class="lineno">  493</span>&#160;            </div>
<div class="line"><a name="l00494"></a><span class="lineno">  494</span>&#160;            <span class="keywordflow">return</span> 1;                                                           <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00495"></a><span class="lineno">  495</span>&#160;        } </div>
<div class="line"><a name="l00496"></a><span class="lineno">  496</span>&#160;        <span class="keywordflow">if</span> (a_ds18b20_write_byte(handle, <a class="code" href="driver__ds18b20_8c.html#a3734ec2848db33401ad3246798e474a7">DS18B20_CMD_READ_SCRATCHPAD</a>) != 0)     <span class="comment">/* sent read scratchpad command */</span></div>
<div class="line"><a name="l00497"></a><span class="lineno">  497</span>&#160;        {</div>
<div class="line"><a name="l00498"></a><span class="lineno">  498</span>&#160;            handle-&gt;<a class="code" href="structds18b20__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ds18b20: write command failed.\n&quot;</span>);            <span class="comment">/* write command failed */</span></div>
<div class="line"><a name="l00499"></a><span class="lineno">  499</span>&#160;            </div>
<div class="line"><a name="l00500"></a><span class="lineno">  500</span>&#160;            <span class="keywordflow">return</span> 1;                                                           <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00501"></a><span class="lineno">  501</span>&#160;        } </div>
<div class="line"><a name="l00502"></a><span class="lineno">  502</span>&#160;        <span class="keywordflow">for</span> (i = 0; i &lt; 9; i++)</div>
<div class="line"><a name="l00503"></a><span class="lineno">  503</span>&#160;        {</div>
<div class="line"><a name="l00504"></a><span class="lineno">  504</span>&#160;            <span class="keywordflow">if</span> (a_ds18b20_read_byte(handle, (uint8_t *)&amp;buf[i]) != 0)           <span class="comment">/* read 9 bytes */</span></div>
<div class="line"><a name="l00505"></a><span class="lineno">  505</span>&#160;            {</div>
<div class="line"><a name="l00506"></a><span class="lineno">  506</span>&#160;                handle-&gt;<a class="code" href="structds18b20__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ds18b20: read data failed.\n&quot;</span>);            <span class="comment">/* read data failed */</span></div>
<div class="line"><a name="l00507"></a><span class="lineno">  507</span>&#160;                </div>
<div class="line"><a name="l00508"></a><span class="lineno">  508</span>&#160;                <span class="keywordflow">return</span> 1;                                                       <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00509"></a><span class="lineno">  509</span>&#160;            }</div>
<div class="line"><a name="l00510"></a><span class="lineno">  510</span>&#160;        }</div>
<div class="line"><a name="l00511"></a><span class="lineno">  511</span>&#160;        <span class="keywordflow">if</span> (a_ds18b20_check_crc((uint8_t *)buf, 8, buf[8]) != 0)                <span class="comment">/* check crc */</span></div>
<div class="line"><a name="l00512"></a><span class="lineno">  512</span>&#160;        {</div>
<div class="line"><a name="l00513"></a><span class="lineno">  513</span>&#160;            handle-&gt;<a class="code" href="structds18b20__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ds18b20: crc check error.\n&quot;</span>);                 <span class="comment">/* crc check error */</span></div>
<div class="line"><a name="l00514"></a><span class="lineno">  514</span>&#160;            </div>
<div class="line"><a name="l00515"></a><span class="lineno">  515</span>&#160;            <span class="keywordflow">return</span> 1;                                                           <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00516"></a><span class="lineno">  516</span>&#160;        }</div>
<div class="line"><a name="l00517"></a><span class="lineno">  517</span>&#160;        <span class="keywordflow">if</span> (a_ds18b20_reset(handle) != 0)                                       <span class="comment">/* reset bus */</span></div>
<div class="line"><a name="l00518"></a><span class="lineno">  518</span>&#160;        {</div>
<div class="line"><a name="l00519"></a><span class="lineno">  519</span>&#160;            handle-&gt;<a class="code" href="structds18b20__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ds18b20: bus reset failed.\n&quot;</span>);                <span class="comment">/* bus reset failed */</span></div>
<div class="line"><a name="l00520"></a><span class="lineno">  520</span>&#160;            </div>
<div class="line"><a name="l00521"></a><span class="lineno">  521</span>&#160;            <span class="keywordflow">return</span> 1;                                                           <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00522"></a><span class="lineno">  522</span>&#160;        }</div>
<div class="line"><a name="l00523"></a><span class="lineno">  523</span>&#160;        <span class="keywordflow">if</span> (a_ds18b20_write_byte(handle, <a class="code" href="driver__ds18b20_8c.html#a608ba051f40d5b9e54f8ebc016dc1514">DS18B20_CMD_SKIP_ROM</a>) != 0)            <span class="comment">/* write skip rom command */</span></div>
<div class="line"><a name="l00524"></a><span class="lineno">  524</span>&#160;        {</div>
<div class="line"><a name="l00525"></a><span class="lineno">  525</span>&#160;            handle-&gt;<a class="code" href="structds18b20__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ds18b20: write command failed.\n&quot;</span>);            <span class="comment">/* write command failed */</span></div>
<div class="line"><a name="l00526"></a><span class="lineno">  526</span>&#160;            </div>
<div class="line"><a name="l00527"></a><span class="lineno">  527</span>&#160;            <span class="keywordflow">return</span> 1;                                                           <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00528"></a><span class="lineno">  528</span>&#160;        }</div>
<div class="line"><a name="l00529"></a><span class="lineno">  529</span>&#160;        <span class="keywordflow">if</span> (a_ds18b20_write_byte(handle, <a class="code" href="driver__ds18b20_8c.html#a57959c93d714e1c177afc244b2c57d5e">DS18B20_CMD_WRITE_SCRATCHPAD</a>) != 0)    <span class="comment">/* write scratchpad command */</span></div>
<div class="line"><a name="l00530"></a><span class="lineno">  530</span>&#160;        {</div>
<div class="line"><a name="l00531"></a><span class="lineno">  531</span>&#160;            handle-&gt;<a class="code" href="structds18b20__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ds18b20: write command failed.\n&quot;</span>);            <span class="comment">/* write command failed */</span></div>
<div class="line"><a name="l00532"></a><span class="lineno">  532</span>&#160;            </div>
<div class="line"><a name="l00533"></a><span class="lineno">  533</span>&#160;            <span class="keywordflow">return</span> 1;                                                           <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00534"></a><span class="lineno">  534</span>&#160;        }</div>
<div class="line"><a name="l00535"></a><span class="lineno">  535</span>&#160;        buf[4] &amp;= ~(3 &lt;&lt; 5);                                                    <span class="comment">/* clear resolution bits */</span></div>
<div class="line"><a name="l00536"></a><span class="lineno">  536</span>&#160;        buf[4] |= resolution &lt;&lt; 5;                                              <span class="comment">/* set resolution bits */</span></div>
<div class="line"><a name="l00537"></a><span class="lineno">  537</span>&#160;        <span class="keywordflow">for</span> (i = 0; i &lt; 3; i++)</div>
<div class="line"><a name="l00538"></a><span class="lineno">  538</span>&#160;        {</div>
<div class="line"><a name="l00539"></a><span class="lineno">  539</span>&#160;            <span class="keywordflow">if</span> (a_ds18b20_write_byte(handle, buf[2+i]) != 0)                    <span class="comment">/* write command */</span></div>
<div class="line"><a name="l00540"></a><span class="lineno">  540</span>&#160;            {</div>
<div class="line"><a name="l00541"></a><span class="lineno">  541</span>&#160;                handle-&gt;<a class="code" href="structds18b20__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ds18b20: write command failed.\n&quot;</span>);        <span class="comment">/* write command failed */</span></div>
<div class="line"><a name="l00542"></a><span class="lineno">  542</span>&#160;                </div>
<div class="line"><a name="l00543"></a><span class="lineno">  543</span>&#160;                <span class="keywordflow">return</span> 1;                                                       <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00544"></a><span class="lineno">  544</span>&#160;            }</div>
<div class="line"><a name="l00545"></a><span class="lineno">  545</span>&#160;        }</div>
<div class="line"><a name="l00546"></a><span class="lineno">  546</span>&#160;        </div>
<div class="line"><a name="l00547"></a><span class="lineno">  547</span>&#160;        <span class="keywordflow">return</span> 0;                                                               <span class="comment">/* success return 0 */</span></div>
<div class="line"><a name="l00548"></a><span class="lineno">  548</span>&#160;    }</div>
<div class="line"><a name="l00549"></a><span class="lineno">  549</span>&#160;    <span class="keywordflow">else</span> <span class="keywordflow">if</span> (handle-&gt;<a class="code" href="structds18b20__handle__s.html#a37e90f5e3bd99fac2021fb3a326607d4">mode</a> == <a class="code" href="group__ds18b20__base__driver.html#ggaa76e51e2201d4058f4274ca420c165f6a6fefdf17cbb1204ac17187e4c6c96eeb">DS18B20_MODE_MATCH_ROM</a>)                            <span class="comment">/* if we use match rom mode */</span></div>
<div class="line"><a name="l00550"></a><span class="lineno">  550</span>&#160;    {</div>
<div class="line"><a name="l00551"></a><span class="lineno">  551</span>&#160;        <span class="keywordflow">if</span> (a_ds18b20_reset(handle) != 0)                                       <span class="comment">/* reset bus */</span></div>
<div class="line"><a name="l00552"></a><span class="lineno">  552</span>&#160;        {</div>
<div class="line"><a name="l00553"></a><span class="lineno">  553</span>&#160;            handle-&gt;<a class="code" href="structds18b20__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ds18b20: bus reset failed.\n&quot;</span>);                <span class="comment">/* bus reset failed */</span></div>
<div class="line"><a name="l00554"></a><span class="lineno">  554</span>&#160;            </div>
<div class="line"><a name="l00555"></a><span class="lineno">  555</span>&#160;            <span class="keywordflow">return</span> 1;                                                           <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00556"></a><span class="lineno">  556</span>&#160;        }</div>
<div class="line"><a name="l00557"></a><span class="lineno">  557</span>&#160;        <span class="keywordflow">if</span> (a_ds18b20_write_byte(handle, <a class="code" href="driver__ds18b20_8c.html#a6cdf02a12f71612a40dde0a265ebd75b">DS18B20_CMD_MATCH_ROM</a>) != 0)           <span class="comment">/* send match rom command */</span></div>
<div class="line"><a name="l00558"></a><span class="lineno">  558</span>&#160;        {</div>
<div class="line"><a name="l00559"></a><span class="lineno">  559</span>&#160;            handle-&gt;<a class="code" href="structds18b20__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ds18b20: write command failed.\n&quot;</span>);            <span class="comment">/* write command failed */</span></div>
<div class="line"><a name="l00560"></a><span class="lineno">  560</span>&#160;            </div>
<div class="line"><a name="l00561"></a><span class="lineno">  561</span>&#160;            <span class="keywordflow">return</span> 1;                                                           <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00562"></a><span class="lineno">  562</span>&#160;        }</div>
<div class="line"><a name="l00563"></a><span class="lineno">  563</span>&#160;        <span class="keywordflow">for</span> (i = 0; i &lt; 8; i++)</div>
<div class="line"><a name="l00564"></a><span class="lineno">  564</span>&#160;        {</div>
<div class="line"><a name="l00565"></a><span class="lineno">  565</span>&#160;            <span class="keywordflow">if</span> (a_ds18b20_write_byte(handle, handle-&gt;<a class="code" href="structds18b20__handle__s.html#ae3c9459b1dbf0dc64f4398a7b7c12e59">rom</a>[i]) != 0)              <span class="comment">/* send rom */</span></div>
<div class="line"><a name="l00566"></a><span class="lineno">  566</span>&#160;            {</div>
<div class="line"><a name="l00567"></a><span class="lineno">  567</span>&#160;                handle-&gt;<a class="code" href="structds18b20__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ds18b20: write command failed.\n&quot;</span>);        <span class="comment">/* write command failed */</span></div>
<div class="line"><a name="l00568"></a><span class="lineno">  568</span>&#160;                </div>
<div class="line"><a name="l00569"></a><span class="lineno">  569</span>&#160;                <span class="keywordflow">return</span> 1;                                                       <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00570"></a><span class="lineno">  570</span>&#160;            }</div>
<div class="line"><a name="l00571"></a><span class="lineno">  571</span>&#160;        }</div>
<div class="line"><a name="l00572"></a><span class="lineno">  572</span>&#160;        <span class="keywordflow">if</span> (a_ds18b20_write_byte(handle, <a class="code" href="driver__ds18b20_8c.html#a3734ec2848db33401ad3246798e474a7">DS18B20_CMD_READ_SCRATCHPAD</a>) != 0)     <span class="comment">/* send read scratchpad command */</span></div>
<div class="line"><a name="l00573"></a><span class="lineno">  573</span>&#160;        {</div>
<div class="line"><a name="l00574"></a><span class="lineno">  574</span>&#160;            handle-&gt;<a class="code" href="structds18b20__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ds18b20: write command failed.\n&quot;</span>);            <span class="comment">/* write command failed */</span></div>
<div class="line"><a name="l00575"></a><span class="lineno">  575</span>&#160;            </div>
<div class="line"><a name="l00576"></a><span class="lineno">  576</span>&#160;            <span class="keywordflow">return</span> 1;                                                           <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00577"></a><span class="lineno">  577</span>&#160;        } </div>
<div class="line"><a name="l00578"></a><span class="lineno">  578</span>&#160;        <span class="keywordflow">for</span> (i = 0; i &lt; 9; i++)</div>
<div class="line"><a name="l00579"></a><span class="lineno">  579</span>&#160;        {</div>
<div class="line"><a name="l00580"></a><span class="lineno">  580</span>&#160;            <span class="keywordflow">if</span> (a_ds18b20_read_byte(handle, (uint8_t *)&amp;buf[i]) != 0)           <span class="comment">/* read 9 bytes */</span></div>
<div class="line"><a name="l00581"></a><span class="lineno">  581</span>&#160;            {</div>
<div class="line"><a name="l00582"></a><span class="lineno">  582</span>&#160;                handle-&gt;<a class="code" href="structds18b20__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ds18b20: read data failed.\n&quot;</span>);            <span class="comment">/* read data failed */</span></div>
<div class="line"><a name="l00583"></a><span class="lineno">  583</span>&#160;                </div>
<div class="line"><a name="l00584"></a><span class="lineno">  584</span>&#160;                <span class="keywordflow">return</span> 1;                                                       <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00585"></a><span class="lineno">  585</span>&#160;            }</div>
<div class="line"><a name="l00586"></a><span class="lineno">  586</span>&#160;        }</div>
<div class="line"><a name="l00587"></a><span class="lineno">  587</span>&#160;        <span class="keywordflow">if</span> (a_ds18b20_check_crc((uint8_t *)buf, 8, buf[8]) != 0)                <span class="comment">/* check crc */</span></div>
<div class="line"><a name="l00588"></a><span class="lineno">  588</span>&#160;        {</div>
<div class="line"><a name="l00589"></a><span class="lineno">  589</span>&#160;            handle-&gt;<a class="code" href="structds18b20__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ds18b20: crc check error.\n&quot;</span>);                 <span class="comment">/* crc check error */</span></div>
<div class="line"><a name="l00590"></a><span class="lineno">  590</span>&#160;            </div>
<div class="line"><a name="l00591"></a><span class="lineno">  591</span>&#160;            <span class="keywordflow">return</span> 1;                                                           <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00592"></a><span class="lineno">  592</span>&#160;        }</div>
<div class="line"><a name="l00593"></a><span class="lineno">  593</span>&#160;        <span class="keywordflow">if</span> (a_ds18b20_reset(handle) != 0)                                       <span class="comment">/* reset bus */</span></div>
<div class="line"><a name="l00594"></a><span class="lineno">  594</span>&#160;        {</div>
<div class="line"><a name="l00595"></a><span class="lineno">  595</span>&#160;            handle-&gt;<a class="code" href="structds18b20__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ds18b20: bus reset failed.\n&quot;</span>);                <span class="comment">/* reset bus failed */</span></div>
<div class="line"><a name="l00596"></a><span class="lineno">  596</span>&#160;            </div>
<div class="line"><a name="l00597"></a><span class="lineno">  597</span>&#160;            <span class="keywordflow">return</span> 1;                                                           <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00598"></a><span class="lineno">  598</span>&#160;        }</div>
<div class="line"><a name="l00599"></a><span class="lineno">  599</span>&#160;        <span class="keywordflow">if</span> (a_ds18b20_write_byte(handle, <a class="code" href="driver__ds18b20_8c.html#a6cdf02a12f71612a40dde0a265ebd75b">DS18B20_CMD_MATCH_ROM</a>) != 0)           <span class="comment">/* match rom */</span></div>
<div class="line"><a name="l00600"></a><span class="lineno">  600</span>&#160;        {</div>
<div class="line"><a name="l00601"></a><span class="lineno">  601</span>&#160;            handle-&gt;<a class="code" href="structds18b20__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ds18b20: write command failed.\n&quot;</span>);            <span class="comment">/* write command failed */</span></div>
<div class="line"><a name="l00602"></a><span class="lineno">  602</span>&#160;            </div>
<div class="line"><a name="l00603"></a><span class="lineno">  603</span>&#160;            <span class="keywordflow">return</span> 1;                                                           <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00604"></a><span class="lineno">  604</span>&#160;        }</div>
<div class="line"><a name="l00605"></a><span class="lineno">  605</span>&#160;        <span class="keywordflow">for</span> (i = 0; i &lt; 8; i++)</div>
<div class="line"><a name="l00606"></a><span class="lineno">  606</span>&#160;        {</div>
<div class="line"><a name="l00607"></a><span class="lineno">  607</span>&#160;            <span class="keywordflow">if</span> (a_ds18b20_write_byte(handle, handle-&gt;<a class="code" href="structds18b20__handle__s.html#ae3c9459b1dbf0dc64f4398a7b7c12e59">rom</a>[i]) != 0)              <span class="comment">/* send rom */</span></div>
<div class="line"><a name="l00608"></a><span class="lineno">  608</span>&#160;            {</div>
<div class="line"><a name="l00609"></a><span class="lineno">  609</span>&#160;                handle-&gt;<a class="code" href="structds18b20__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ds18b20: write command failed.\n&quot;</span>);        <span class="comment">/* write command failed */</span></div>
<div class="line"><a name="l00610"></a><span class="lineno">  610</span>&#160;                </div>
<div class="line"><a name="l00611"></a><span class="lineno">  611</span>&#160;                <span class="keywordflow">return</span> 1;                                                       <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00612"></a><span class="lineno">  612</span>&#160;            }</div>
<div class="line"><a name="l00613"></a><span class="lineno">  613</span>&#160;        }</div>
<div class="line"><a name="l00614"></a><span class="lineno">  614</span>&#160;        <span class="keywordflow">if</span> (a_ds18b20_write_byte(handle, <a class="code" href="driver__ds18b20_8c.html#a57959c93d714e1c177afc244b2c57d5e">DS18B20_CMD_WRITE_SCRATCHPAD</a>) != 0)    <span class="comment">/* write scratchpad command */</span></div>
<div class="line"><a name="l00615"></a><span class="lineno">  615</span>&#160;        {</div>
<div class="line"><a name="l00616"></a><span class="lineno">  616</span>&#160;            handle-&gt;<a class="code" href="structds18b20__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ds18b20: write command failed.\n&quot;</span>);            <span class="comment">/* write command failed */</span></div>
<div class="line"><a name="l00617"></a><span class="lineno">  617</span>&#160;            </div>
<div class="line"><a name="l00618"></a><span class="lineno">  618</span>&#160;            <span class="keywordflow">return</span> 1;                                                           <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00619"></a><span class="lineno">  619</span>&#160;        }</div>
<div class="line"><a name="l00620"></a><span class="lineno">  620</span>&#160;        buf[4] &amp;= ~(3 &lt;&lt; 5);                                                    <span class="comment">/* clear resolution bits */</span></div>
<div class="line"><a name="l00621"></a><span class="lineno">  621</span>&#160;        buf[4] |= resolution &lt;&lt; 5;                                              <span class="comment">/* set resolution bits */</span></div>
<div class="line"><a name="l00622"></a><span class="lineno">  622</span>&#160;        <span class="keywordflow">for</span> (i = 0; i &lt; 3; i++)</div>
<div class="line"><a name="l00623"></a><span class="lineno">  623</span>&#160;        {</div>
<div class="line"><a name="l00624"></a><span class="lineno">  624</span>&#160;            <span class="keywordflow">if</span> (a_ds18b20_write_byte(handle, buf[2 + i]) != 0)                  <span class="comment">/* write command */</span></div>
<div class="line"><a name="l00625"></a><span class="lineno">  625</span>&#160;            {</div>
<div class="line"><a name="l00626"></a><span class="lineno">  626</span>&#160;                handle-&gt;<a class="code" href="structds18b20__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ds18b20: write command failed.\n&quot;</span>);        <span class="comment">/* write command failed */</span></div>
<div class="line"><a name="l00627"></a><span class="lineno">  627</span>&#160;                </div>
<div class="line"><a name="l00628"></a><span class="lineno">  628</span>&#160;                <span class="keywordflow">return</span> 1;                                                       <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00629"></a><span class="lineno">  629</span>&#160;            }</div>
<div class="line"><a name="l00630"></a><span class="lineno">  630</span>&#160;        }</div>
<div class="line"><a name="l00631"></a><span class="lineno">  631</span>&#160;        </div>
<div class="line"><a name="l00632"></a><span class="lineno">  632</span>&#160;        <span class="keywordflow">return</span> 0;                                                               <span class="comment">/* success return 0 */</span></div>
<div class="line"><a name="l00633"></a><span class="lineno">  633</span>&#160;    }    </div>
<div class="line"><a name="l00634"></a><span class="lineno">  634</span>&#160;    <span class="keywordflow">else</span></div>
<div class="line"><a name="l00635"></a><span class="lineno">  635</span>&#160;    {</div>
<div class="line"><a name="l00636"></a><span class="lineno">  636</span>&#160;        handle-&gt;<a class="code" href="structds18b20__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ds18b20: mode invalid.\n&quot;</span>);                        <span class="comment">/* ds18b20 mode invalid */</span></div>
<div class="line"><a name="l00637"></a><span class="lineno">  637</span>&#160;        </div>
<div class="line"><a name="l00638"></a><span class="lineno">  638</span>&#160;        <span class="keywordflow">return</span> 1;                                                               <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00639"></a><span class="lineno">  639</span>&#160;    }</div>
<div class="line"><a name="l00640"></a><span class="lineno">  640</span>&#160;}</div>
<div class="line"><a name="l00641"></a><span class="lineno">  641</span>&#160; </div>
<div class="line"><a name="l00653"></a><span class="lineno"><a class="line" href="group__ds18b20__base__driver.html#ga1e6aa803f8f341dbaeb010e5c4b3ecda">  653</a></span>&#160;uint8_t <a class="code" href="group__ds18b20__base__driver.html#ga1e6aa803f8f341dbaeb010e5c4b3ecda">ds18b20_scratchpad_get_resolution</a>(<a class="code" href="structds18b20__handle__s.html">ds18b20_handle_t</a> *handle, <a class="code" href="group__ds18b20__base__driver.html#ga6a1cab097fcad68347f07f97e1bb2af8">ds18b20_resolution_t</a> *resolution)</div>
<div class="line"><a name="l00654"></a><span class="lineno">  654</span>&#160;{</div>
<div class="line"><a name="l00655"></a><span class="lineno">  655</span>&#160;    uint8_t i, buf[9];</div>
<div class="line"><a name="l00656"></a><span class="lineno">  656</span>&#160;    </div>
<div class="line"><a name="l00657"></a><span class="lineno">  657</span>&#160;    <span class="keywordflow">if</span> (handle == NULL)                                                         <span class="comment">/* check handle */</span></div>
<div class="line"><a name="l00658"></a><span class="lineno">  658</span>&#160;    {</div>
<div class="line"><a name="l00659"></a><span class="lineno">  659</span>&#160;        <span class="keywordflow">return</span> 2;                                                               <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00660"></a><span class="lineno">  660</span>&#160;    }</div>
<div class="line"><a name="l00661"></a><span class="lineno">  661</span>&#160;    <span class="keywordflow">if</span> (handle-&gt;<a class="code" href="structds18b20__handle__s.html#a19bedf28d2b9748f6a62d9ae93f4e68f">inited</a> != 1)                                                    <span class="comment">/* check handle initialization */</span></div>
<div class="line"><a name="l00662"></a><span class="lineno">  662</span>&#160;    {</div>
<div class="line"><a name="l00663"></a><span class="lineno">  663</span>&#160;        <span class="keywordflow">return</span> 3;                                                               <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00664"></a><span class="lineno">  664</span>&#160;    }</div>
<div class="line"><a name="l00665"></a><span class="lineno">  665</span>&#160;    </div>
<div class="line"><a name="l00666"></a><span class="lineno">  666</span>&#160;    <span class="keywordflow">if</span> (handle-&gt;<a class="code" href="structds18b20__handle__s.html#a37e90f5e3bd99fac2021fb3a326607d4">mode</a> == <a class="code" href="group__ds18b20__base__driver.html#ggaa76e51e2201d4058f4274ca420c165f6a2240dc3e5f913d272861b29b87e06942">DS18B20_MODE_SKIP_ROM</a>)                                  <span class="comment">/* if use skip rom mode */</span></div>
<div class="line"><a name="l00667"></a><span class="lineno">  667</span>&#160;    {</div>
<div class="line"><a name="l00668"></a><span class="lineno">  668</span>&#160;        <span class="keywordflow">if</span> (a_ds18b20_reset(handle) != 0)                                       <span class="comment">/* reset bus */</span></div>
<div class="line"><a name="l00669"></a><span class="lineno">  669</span>&#160;        {</div>
<div class="line"><a name="l00670"></a><span class="lineno">  670</span>&#160;            handle-&gt;<a class="code" href="structds18b20__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ds18b20: bus reset failed.\n&quot;</span>);                <span class="comment">/* reset bus */</span></div>
<div class="line"><a name="l00671"></a><span class="lineno">  671</span>&#160;            </div>
<div class="line"><a name="l00672"></a><span class="lineno">  672</span>&#160;            <span class="keywordflow">return</span> 1;                                                           <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00673"></a><span class="lineno">  673</span>&#160;        }</div>
<div class="line"><a name="l00674"></a><span class="lineno">  674</span>&#160;        <span class="keywordflow">if</span> (a_ds18b20_write_byte(handle, <a class="code" href="driver__ds18b20_8c.html#a608ba051f40d5b9e54f8ebc016dc1514">DS18B20_CMD_SKIP_ROM</a>) != 0)            <span class="comment">/* sent skip rom command */</span></div>
<div class="line"><a name="l00675"></a><span class="lineno">  675</span>&#160;        {</div>
<div class="line"><a name="l00676"></a><span class="lineno">  676</span>&#160;            handle-&gt;<a class="code" href="structds18b20__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ds18b20: write command failed.\n&quot;</span>);            <span class="comment">/* write command failed */</span></div>
<div class="line"><a name="l00677"></a><span class="lineno">  677</span>&#160;            </div>
<div class="line"><a name="l00678"></a><span class="lineno">  678</span>&#160;            <span class="keywordflow">return</span> 1;                                                           <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00679"></a><span class="lineno">  679</span>&#160;        }</div>
<div class="line"><a name="l00680"></a><span class="lineno">  680</span>&#160;        <span class="keywordflow">if</span> (a_ds18b20_write_byte(handle, <a class="code" href="driver__ds18b20_8c.html#a3734ec2848db33401ad3246798e474a7">DS18B20_CMD_READ_SCRATCHPAD</a>) != 0)     <span class="comment">/* write read scratchpad command */</span></div>
<div class="line"><a name="l00681"></a><span class="lineno">  681</span>&#160;        {</div>
<div class="line"><a name="l00682"></a><span class="lineno">  682</span>&#160;            handle-&gt;<a class="code" href="structds18b20__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ds18b20: write command failed.\n&quot;</span>);            <span class="comment">/* write command failed */</span></div>
<div class="line"><a name="l00683"></a><span class="lineno">  683</span>&#160;            </div>
<div class="line"><a name="l00684"></a><span class="lineno">  684</span>&#160;            <span class="keywordflow">return</span> 1;                                                           <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00685"></a><span class="lineno">  685</span>&#160;        }</div>
<div class="line"><a name="l00686"></a><span class="lineno">  686</span>&#160;        <span class="keywordflow">for</span> (i = 0; i &lt; 9; i++)                                                 <span class="comment">/* read 9 bytes */</span></div>
<div class="line"><a name="l00687"></a><span class="lineno">  687</span>&#160;        {</div>
<div class="line"><a name="l00688"></a><span class="lineno">  688</span>&#160;            <span class="keywordflow">if</span> (a_ds18b20_read_byte(handle, (uint8_t *)&amp;buf[i]) != 0)           <span class="comment">/* read bytes */</span></div>
<div class="line"><a name="l00689"></a><span class="lineno">  689</span>&#160;            {</div>
<div class="line"><a name="l00690"></a><span class="lineno">  690</span>&#160;                handle-&gt;<a class="code" href="structds18b20__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ds18b20: read data failed.\n&quot;</span>);            <span class="comment">/* read data failed */</span></div>
<div class="line"><a name="l00691"></a><span class="lineno">  691</span>&#160;                </div>
<div class="line"><a name="l00692"></a><span class="lineno">  692</span>&#160;                <span class="keywordflow">return</span> 1;                                                       <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00693"></a><span class="lineno">  693</span>&#160;            }</div>
<div class="line"><a name="l00694"></a><span class="lineno">  694</span>&#160;        }</div>
<div class="line"><a name="l00695"></a><span class="lineno">  695</span>&#160;        <span class="keywordflow">if</span> (a_ds18b20_check_crc((uint8_t *)buf, 8, buf[8]) != 0)                <span class="comment">/* check crc */</span></div>
<div class="line"><a name="l00696"></a><span class="lineno">  696</span>&#160;        {</div>
<div class="line"><a name="l00697"></a><span class="lineno">  697</span>&#160;            handle-&gt;<a class="code" href="structds18b20__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ds18b20: crc check error.\n&quot;</span>);                 <span class="comment">/* crc check failed */</span></div>
<div class="line"><a name="l00698"></a><span class="lineno">  698</span>&#160;            </div>
<div class="line"><a name="l00699"></a><span class="lineno">  699</span>&#160;            <span class="keywordflow">return</span> 1;                                                           <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00700"></a><span class="lineno">  700</span>&#160;        }</div>
<div class="line"><a name="l00701"></a><span class="lineno">  701</span>&#160;        *resolution = (<a class="code" href="group__ds18b20__base__driver.html#ga6a1cab097fcad68347f07f97e1bb2af8">ds18b20_resolution_t</a>)(buf[4] &gt;&gt; 5);                      <span class="comment">/* get resolution */</span></div>
<div class="line"><a name="l00702"></a><span class="lineno">  702</span>&#160;        </div>
<div class="line"><a name="l00703"></a><span class="lineno">  703</span>&#160;        <span class="keywordflow">return</span> 0;                                                               <span class="comment">/* success return 0 */</span></div>
<div class="line"><a name="l00704"></a><span class="lineno">  704</span>&#160;    }</div>
<div class="line"><a name="l00705"></a><span class="lineno">  705</span>&#160;    <span class="keywordflow">else</span> <span class="keywordflow">if</span> (handle-&gt;<a class="code" href="structds18b20__handle__s.html#a37e90f5e3bd99fac2021fb3a326607d4">mode</a> == <a class="code" href="group__ds18b20__base__driver.html#ggaa76e51e2201d4058f4274ca420c165f6a6fefdf17cbb1204ac17187e4c6c96eeb">DS18B20_MODE_MATCH_ROM</a>)                            <span class="comment">/* if we use match rom mode */</span></div>
<div class="line"><a name="l00706"></a><span class="lineno">  706</span>&#160;    {</div>
<div class="line"><a name="l00707"></a><span class="lineno">  707</span>&#160;        <span class="keywordflow">if</span> (a_ds18b20_reset(handle) != 0)                                       <span class="comment">/* reset bus */</span></div>
<div class="line"><a name="l00708"></a><span class="lineno">  708</span>&#160;        {</div>
<div class="line"><a name="l00709"></a><span class="lineno">  709</span>&#160;            handle-&gt;<a class="code" href="structds18b20__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ds18b20: bus reset failed.\n&quot;</span>);                <span class="comment">/* reset failed */</span></div>
<div class="line"><a name="l00710"></a><span class="lineno">  710</span>&#160;            </div>
<div class="line"><a name="l00711"></a><span class="lineno">  711</span>&#160;            <span class="keywordflow">return</span> 1;                                                           <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00712"></a><span class="lineno">  712</span>&#160;        }</div>
<div class="line"><a name="l00713"></a><span class="lineno">  713</span>&#160;        <span class="keywordflow">if</span> (a_ds18b20_write_byte(handle, <a class="code" href="driver__ds18b20_8c.html#a6cdf02a12f71612a40dde0a265ebd75b">DS18B20_CMD_MATCH_ROM</a>) != 0)           <span class="comment">/* sent match rom command */</span></div>
<div class="line"><a name="l00714"></a><span class="lineno">  714</span>&#160;        {</div>
<div class="line"><a name="l00715"></a><span class="lineno">  715</span>&#160;            handle-&gt;<a class="code" href="structds18b20__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ds18b20: write command failed.\n&quot;</span>);            <span class="comment">/* write command failed */</span></div>
<div class="line"><a name="l00716"></a><span class="lineno">  716</span>&#160;            </div>
<div class="line"><a name="l00717"></a><span class="lineno">  717</span>&#160;            <span class="keywordflow">return</span> 1;                                                           <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00718"></a><span class="lineno">  718</span>&#160;        }</div>
<div class="line"><a name="l00719"></a><span class="lineno">  719</span>&#160;        <span class="keywordflow">for</span> (i = 0; i &lt; 8; i++)</div>
<div class="line"><a name="l00720"></a><span class="lineno">  720</span>&#160;        {</div>
<div class="line"><a name="l00721"></a><span class="lineno">  721</span>&#160;            <span class="keywordflow">if</span> (a_ds18b20_write_byte(handle, handle-&gt;<a class="code" href="structds18b20__handle__s.html#ae3c9459b1dbf0dc64f4398a7b7c12e59">rom</a>[i]) != 0)              <span class="comment">/* send rom */</span></div>
<div class="line"><a name="l00722"></a><span class="lineno">  722</span>&#160;            {</div>
<div class="line"><a name="l00723"></a><span class="lineno">  723</span>&#160;                handle-&gt;<a class="code" href="structds18b20__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ds18b20: write command failed.\n&quot;</span>);        <span class="comment">/* write command failed */</span></div>
<div class="line"><a name="l00724"></a><span class="lineno">  724</span>&#160;                </div>
<div class="line"><a name="l00725"></a><span class="lineno">  725</span>&#160;                <span class="keywordflow">return</span> 1;                                                       <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00726"></a><span class="lineno">  726</span>&#160;            }</div>
<div class="line"><a name="l00727"></a><span class="lineno">  727</span>&#160;        }</div>
<div class="line"><a name="l00728"></a><span class="lineno">  728</span>&#160;        <span class="keywordflow">if</span> (a_ds18b20_write_byte(handle, <a class="code" href="driver__ds18b20_8c.html#a3734ec2848db33401ad3246798e474a7">DS18B20_CMD_READ_SCRATCHPAD</a>) != 0)     <span class="comment">/* sent read scratchpad command */</span></div>
<div class="line"><a name="l00729"></a><span class="lineno">  729</span>&#160;        {</div>
<div class="line"><a name="l00730"></a><span class="lineno">  730</span>&#160;            handle-&gt;<a class="code" href="structds18b20__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ds18b20: write command failed.\n&quot;</span>);            <span class="comment">/* write command failed */</span></div>
<div class="line"><a name="l00731"></a><span class="lineno">  731</span>&#160;            </div>
<div class="line"><a name="l00732"></a><span class="lineno">  732</span>&#160;            <span class="keywordflow">return</span> 1;                                                           <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00733"></a><span class="lineno">  733</span>&#160;         } </div>
<div class="line"><a name="l00734"></a><span class="lineno">  734</span>&#160;        <span class="keywordflow">for</span> (i = 0; i &lt; 9; i++)                                                     </div>
<div class="line"><a name="l00735"></a><span class="lineno">  735</span>&#160;        {</div>
<div class="line"><a name="l00736"></a><span class="lineno">  736</span>&#160;            <span class="keywordflow">if</span> (a_ds18b20_read_byte(handle, (uint8_t *)&amp;buf[i]) != 0)           <span class="comment">/* read 9 bytes */</span></div>
<div class="line"><a name="l00737"></a><span class="lineno">  737</span>&#160;            {</div>
<div class="line"><a name="l00738"></a><span class="lineno">  738</span>&#160;                handle-&gt;<a class="code" href="structds18b20__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ds18b20: read data failed.\n&quot;</span>);            <span class="comment">/* read failed */</span></div>
<div class="line"><a name="l00739"></a><span class="lineno">  739</span>&#160;                </div>
<div class="line"><a name="l00740"></a><span class="lineno">  740</span>&#160;                <span class="keywordflow">return</span> 1;                                                       <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00741"></a><span class="lineno">  741</span>&#160;            }</div>
<div class="line"><a name="l00742"></a><span class="lineno">  742</span>&#160;        }</div>
<div class="line"><a name="l00743"></a><span class="lineno">  743</span>&#160;        <span class="keywordflow">if</span> (a_ds18b20_check_crc((uint8_t *)buf, 8, buf[8]) != 0)                <span class="comment">/* check crc */</span></div>
<div class="line"><a name="l00744"></a><span class="lineno">  744</span>&#160;        {</div>
<div class="line"><a name="l00745"></a><span class="lineno">  745</span>&#160;            handle-&gt;<a class="code" href="structds18b20__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ds18b20: crc check error.\n&quot;</span>);                 <span class="comment">/* check crc failed */</span></div>
<div class="line"><a name="l00746"></a><span class="lineno">  746</span>&#160;            </div>
<div class="line"><a name="l00747"></a><span class="lineno">  747</span>&#160;            <span class="keywordflow">return</span> 1;                                                           <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00748"></a><span class="lineno">  748</span>&#160;        }</div>
<div class="line"><a name="l00749"></a><span class="lineno">  749</span>&#160;        *resolution = (<a class="code" href="group__ds18b20__base__driver.html#ga6a1cab097fcad68347f07f97e1bb2af8">ds18b20_resolution_t</a>)(buf[4] &gt;&gt; 5);                      <span class="comment">/* get resolution */</span></div>
<div class="line"><a name="l00750"></a><span class="lineno">  750</span>&#160;        </div>
<div class="line"><a name="l00751"></a><span class="lineno">  751</span>&#160;        <span class="keywordflow">return</span> 0;                                                               <span class="comment">/* success return 0 */</span></div>
<div class="line"><a name="l00752"></a><span class="lineno">  752</span>&#160;    }</div>
<div class="line"><a name="l00753"></a><span class="lineno">  753</span>&#160;    <span class="keywordflow">else</span></div>
<div class="line"><a name="l00754"></a><span class="lineno">  754</span>&#160;    {</div>
<div class="line"><a name="l00755"></a><span class="lineno">  755</span>&#160;        handle-&gt;<a class="code" href="structds18b20__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ds18b20: mode invalid.\n&quot;</span>);                        <span class="comment">/* ds18b20 mode invalid */</span></div>
<div class="line"><a name="l00756"></a><span class="lineno">  756</span>&#160;        </div>
<div class="line"><a name="l00757"></a><span class="lineno">  757</span>&#160;        <span class="keywordflow">return</span> 1;                                                               <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00758"></a><span class="lineno">  758</span>&#160;    }</div>
<div class="line"><a name="l00759"></a><span class="lineno">  759</span>&#160;}</div>
<div class="line"><a name="l00760"></a><span class="lineno">  760</span>&#160; </div>
<div class="line"><a name="l00773"></a><span class="lineno"><a class="line" href="group__ds18b20__advance__driver.html#gacdec4dca56e47a203832ffcd1d71b2f0">  773</a></span>&#160;uint8_t <a class="code" href="group__ds18b20__advance__driver.html#gacdec4dca56e47a203832ffcd1d71b2f0">ds18b20_scratchpad_set_alarm_threshold</a>(<a class="code" href="structds18b20__handle__s.html">ds18b20_handle_t</a> *handle, int8_t threshold_high, int8_t threshold_low)</div>
<div class="line"><a name="l00774"></a><span class="lineno">  774</span>&#160;{</div>
<div class="line"><a name="l00775"></a><span class="lineno">  775</span>&#160;    uint8_t i, buf[9];</div>
<div class="line"><a name="l00776"></a><span class="lineno">  776</span>&#160;    </div>
<div class="line"><a name="l00777"></a><span class="lineno">  777</span>&#160;    <span class="keywordflow">if</span> (handle == NULL)                                                         <span class="comment">/* check handle */</span></div>
<div class="line"><a name="l00778"></a><span class="lineno">  778</span>&#160;    {</div>
<div class="line"><a name="l00779"></a><span class="lineno">  779</span>&#160;        <span class="keywordflow">return</span> 2;                                                               <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00780"></a><span class="lineno">  780</span>&#160;    }</div>
<div class="line"><a name="l00781"></a><span class="lineno">  781</span>&#160;    <span class="keywordflow">if</span> (handle-&gt;<a class="code" href="structds18b20__handle__s.html#a19bedf28d2b9748f6a62d9ae93f4e68f">inited</a> != 1)                                                    <span class="comment">/* check handle initialization */</span></div>
<div class="line"><a name="l00782"></a><span class="lineno">  782</span>&#160;    {</div>
<div class="line"><a name="l00783"></a><span class="lineno">  783</span>&#160;        <span class="keywordflow">return</span> 3;                                                               <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00784"></a><span class="lineno">  784</span>&#160;    }</div>
<div class="line"><a name="l00785"></a><span class="lineno">  785</span>&#160;    </div>
<div class="line"><a name="l00786"></a><span class="lineno">  786</span>&#160;    <span class="keywordflow">if</span> (handle-&gt;<a class="code" href="structds18b20__handle__s.html#a37e90f5e3bd99fac2021fb3a326607d4">mode</a> == <a class="code" href="group__ds18b20__base__driver.html#ggaa76e51e2201d4058f4274ca420c165f6a2240dc3e5f913d272861b29b87e06942">DS18B20_MODE_SKIP_ROM</a>)                                  <span class="comment">/* if use skip rom mode */</span></div>
<div class="line"><a name="l00787"></a><span class="lineno">  787</span>&#160;    {</div>
<div class="line"><a name="l00788"></a><span class="lineno">  788</span>&#160;        <span class="keywordflow">if</span> (a_ds18b20_reset(handle) != 0)                                       <span class="comment">/* reset bus */</span></div>
<div class="line"><a name="l00789"></a><span class="lineno">  789</span>&#160;        {</div>
<div class="line"><a name="l00790"></a><span class="lineno">  790</span>&#160;            handle-&gt;<a class="code" href="structds18b20__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ds18b20: bus reset failed.\n&quot;</span>);                <span class="comment">/* reset bus failed */</span></div>
<div class="line"><a name="l00791"></a><span class="lineno">  791</span>&#160;            </div>
<div class="line"><a name="l00792"></a><span class="lineno">  792</span>&#160;            <span class="keywordflow">return</span> 1;                                                           <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00793"></a><span class="lineno">  793</span>&#160;        }</div>
<div class="line"><a name="l00794"></a><span class="lineno">  794</span>&#160;        <span class="keywordflow">if</span> (a_ds18b20_write_byte(handle, <a class="code" href="driver__ds18b20_8c.html#a608ba051f40d5b9e54f8ebc016dc1514">DS18B20_CMD_SKIP_ROM</a>) != 0)            <span class="comment">/* sent skip rom command */</span></div>
<div class="line"><a name="l00795"></a><span class="lineno">  795</span>&#160;        {</div>
<div class="line"><a name="l00796"></a><span class="lineno">  796</span>&#160;            handle-&gt;<a class="code" href="structds18b20__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ds18b20: write command failed.\n&quot;</span>);            <span class="comment">/* write command failed */</span></div>
<div class="line"><a name="l00797"></a><span class="lineno">  797</span>&#160;            </div>
<div class="line"><a name="l00798"></a><span class="lineno">  798</span>&#160;            <span class="keywordflow">return</span> 1;                                                           <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00799"></a><span class="lineno">  799</span>&#160;        }</div>
<div class="line"><a name="l00800"></a><span class="lineno">  800</span>&#160;        <span class="keywordflow">if</span> (a_ds18b20_write_byte(handle, <a class="code" href="driver__ds18b20_8c.html#a3734ec2848db33401ad3246798e474a7">DS18B20_CMD_READ_SCRATCHPAD</a>) != 0)     <span class="comment">/* sent read scratchpad command */</span></div>
<div class="line"><a name="l00801"></a><span class="lineno">  801</span>&#160;        {</div>
<div class="line"><a name="l00802"></a><span class="lineno">  802</span>&#160;            handle-&gt;<a class="code" href="structds18b20__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ds18b20: write command failed.\n&quot;</span>);            <span class="comment">/* write command failed */</span></div>
<div class="line"><a name="l00803"></a><span class="lineno">  803</span>&#160;            </div>
<div class="line"><a name="l00804"></a><span class="lineno">  804</span>&#160;            <span class="keywordflow">return</span> 1;                                                           <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00805"></a><span class="lineno">  805</span>&#160;        }</div>
<div class="line"><a name="l00806"></a><span class="lineno">  806</span>&#160;        <span class="keywordflow">for</span> (i = 0; i &lt; 9; i++)</div>
<div class="line"><a name="l00807"></a><span class="lineno">  807</span>&#160;        {</div>
<div class="line"><a name="l00808"></a><span class="lineno">  808</span>&#160;            <span class="keywordflow">if</span> (a_ds18b20_read_byte(handle, (uint8_t *)&amp;buf[i]) != 0)           <span class="comment">/* read 9 bytes */</span></div>
<div class="line"><a name="l00809"></a><span class="lineno">  809</span>&#160;            {</div>
<div class="line"><a name="l00810"></a><span class="lineno">  810</span>&#160;                handle-&gt;<a class="code" href="structds18b20__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ds18b20: read data failed.\n&quot;</span>);            <span class="comment">/* read data failed */</span></div>
<div class="line"><a name="l00811"></a><span class="lineno">  811</span>&#160;                </div>
<div class="line"><a name="l00812"></a><span class="lineno">  812</span>&#160;                <span class="keywordflow">return</span> 1;                                                       <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00813"></a><span class="lineno">  813</span>&#160;            }</div>
<div class="line"><a name="l00814"></a><span class="lineno">  814</span>&#160;        }</div>
<div class="line"><a name="l00815"></a><span class="lineno">  815</span>&#160;        <span class="keywordflow">if</span> (a_ds18b20_check_crc((uint8_t *)buf, 8, buf[8]) != 0)                <span class="comment">/* check crc */</span></div>
<div class="line"><a name="l00816"></a><span class="lineno">  816</span>&#160;        {</div>
<div class="line"><a name="l00817"></a><span class="lineno">  817</span>&#160;            handle-&gt;<a class="code" href="structds18b20__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ds18b20: crc check error.\n&quot;</span>);                 <span class="comment">/* crc check error */</span></div>
<div class="line"><a name="l00818"></a><span class="lineno">  818</span>&#160;            </div>
<div class="line"><a name="l00819"></a><span class="lineno">  819</span>&#160;            <span class="keywordflow">return</span> 1;                                                           <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00820"></a><span class="lineno">  820</span>&#160;        }</div>
<div class="line"><a name="l00821"></a><span class="lineno">  821</span>&#160;        <span class="keywordflow">if</span> (a_ds18b20_reset(handle) != 0)                                       <span class="comment">/* reset bus */</span></div>
<div class="line"><a name="l00822"></a><span class="lineno">  822</span>&#160;        {</div>
<div class="line"><a name="l00823"></a><span class="lineno">  823</span>&#160;            handle-&gt;<a class="code" href="structds18b20__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ds18b20: bus reset failed.\n&quot;</span>);                <span class="comment">/* reset bus failed */</span></div>
<div class="line"><a name="l00824"></a><span class="lineno">  824</span>&#160;            </div>
<div class="line"><a name="l00825"></a><span class="lineno">  825</span>&#160;            <span class="keywordflow">return</span> 1;                                                           <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00826"></a><span class="lineno">  826</span>&#160;        }</div>
<div class="line"><a name="l00827"></a><span class="lineno">  827</span>&#160;        <span class="keywordflow">if</span> (a_ds18b20_write_byte(handle, <a class="code" href="driver__ds18b20_8c.html#a608ba051f40d5b9e54f8ebc016dc1514">DS18B20_CMD_SKIP_ROM</a>) != 0)            <span class="comment">/* sent skip rom command */</span></div>
<div class="line"><a name="l00828"></a><span class="lineno">  828</span>&#160;        {</div>
<div class="line"><a name="l00829"></a><span class="lineno">  829</span>&#160;            handle-&gt;<a class="code" href="structds18b20__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ds18b20: write command failed.\n&quot;</span>);            <span class="comment">/* write command failed */</span></div>
<div class="line"><a name="l00830"></a><span class="lineno">  830</span>&#160;            </div>
<div class="line"><a name="l00831"></a><span class="lineno">  831</span>&#160;            <span class="keywordflow">return</span> 1;                                                           <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00832"></a><span class="lineno">  832</span>&#160;        }</div>
<div class="line"><a name="l00833"></a><span class="lineno">  833</span>&#160;        <span class="keywordflow">if</span> (a_ds18b20_write_byte(handle, <a class="code" href="driver__ds18b20_8c.html#a57959c93d714e1c177afc244b2c57d5e">DS18B20_CMD_WRITE_SCRATCHPAD</a>) != 0)    <span class="comment">/* sent write scratchpad command */</span></div>
<div class="line"><a name="l00834"></a><span class="lineno">  834</span>&#160;        {</div>
<div class="line"><a name="l00835"></a><span class="lineno">  835</span>&#160;            handle-&gt;<a class="code" href="structds18b20__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ds18b20: write command failed.\n&quot;</span>);            <span class="comment">/* write command failed */</span></div>
<div class="line"><a name="l00836"></a><span class="lineno">  836</span>&#160;            </div>
<div class="line"><a name="l00837"></a><span class="lineno">  837</span>&#160;            <span class="keywordflow">return</span> 1;                                                           <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00838"></a><span class="lineno">  838</span>&#160;        }</div>
<div class="line"><a name="l00839"></a><span class="lineno">  839</span>&#160;        buf[2] = (uint8_t)threshold_high;                                       <span class="comment">/* set high threshold */</span></div>
<div class="line"><a name="l00840"></a><span class="lineno">  840</span>&#160;        buf[3] = (uint8_t)threshold_low;                                        <span class="comment">/* set low threshold */</span></div>
<div class="line"><a name="l00841"></a><span class="lineno">  841</span>&#160;        <span class="keywordflow">for</span> (i = 0; i &lt; 3; i++)</div>
<div class="line"><a name="l00842"></a><span class="lineno">  842</span>&#160;        {</div>
<div class="line"><a name="l00843"></a><span class="lineno">  843</span>&#160;            <span class="keywordflow">if</span> (a_ds18b20_write_byte(handle, buf[2 + i]) != 0)                  <span class="comment">/* write command */</span></div>
<div class="line"><a name="l00844"></a><span class="lineno">  844</span>&#160;            {</div>
<div class="line"><a name="l00845"></a><span class="lineno">  845</span>&#160;                handle-&gt;<a class="code" href="structds18b20__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ds18b20: write command failed.\n&quot;</span>);        <span class="comment">/* write command failed */</span></div>
<div class="line"><a name="l00846"></a><span class="lineno">  846</span>&#160;                </div>
<div class="line"><a name="l00847"></a><span class="lineno">  847</span>&#160;                <span class="keywordflow">return</span> 1;                                                       <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00848"></a><span class="lineno">  848</span>&#160;            }</div>
<div class="line"><a name="l00849"></a><span class="lineno">  849</span>&#160;        }</div>
<div class="line"><a name="l00850"></a><span class="lineno">  850</span>&#160;        </div>
<div class="line"><a name="l00851"></a><span class="lineno">  851</span>&#160;        <span class="keywordflow">return</span> 0;                                                               <span class="comment">/* success return 0 */</span></div>
<div class="line"><a name="l00852"></a><span class="lineno">  852</span>&#160;    }</div>
<div class="line"><a name="l00853"></a><span class="lineno">  853</span>&#160;    <span class="keywordflow">else</span> <span class="keywordflow">if</span> (handle-&gt;<a class="code" href="structds18b20__handle__s.html#a37e90f5e3bd99fac2021fb3a326607d4">mode</a> == <a class="code" href="group__ds18b20__base__driver.html#ggaa76e51e2201d4058f4274ca420c165f6a6fefdf17cbb1204ac17187e4c6c96eeb">DS18B20_MODE_MATCH_ROM</a>)                            <span class="comment">/* if we use match rom mode */</span></div>
<div class="line"><a name="l00854"></a><span class="lineno">  854</span>&#160;    {</div>
<div class="line"><a name="l00855"></a><span class="lineno">  855</span>&#160;        <span class="keywordflow">if</span> (a_ds18b20_reset(handle) != 0)                                       <span class="comment">/* reset bus */</span></div>
<div class="line"><a name="l00856"></a><span class="lineno">  856</span>&#160;        {</div>
<div class="line"><a name="l00857"></a><span class="lineno">  857</span>&#160;            handle-&gt;<a class="code" href="structds18b20__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ds18b20: bus reset failed.\n&quot;</span>);                <span class="comment">/* bus reset failed */</span></div>
<div class="line"><a name="l00858"></a><span class="lineno">  858</span>&#160;            </div>
<div class="line"><a name="l00859"></a><span class="lineno">  859</span>&#160;            <span class="keywordflow">return</span> 1;                                                           <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00860"></a><span class="lineno">  860</span>&#160;        }</div>
<div class="line"><a name="l00861"></a><span class="lineno">  861</span>&#160;        <span class="keywordflow">if</span> (a_ds18b20_write_byte(handle, <a class="code" href="driver__ds18b20_8c.html#a6cdf02a12f71612a40dde0a265ebd75b">DS18B20_CMD_MATCH_ROM</a>) != 0)           <span class="comment">/* sent match rom command */</span></div>
<div class="line"><a name="l00862"></a><span class="lineno">  862</span>&#160;        {</div>
<div class="line"><a name="l00863"></a><span class="lineno">  863</span>&#160;            handle-&gt;<a class="code" href="structds18b20__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ds18b20: write command failed.\n&quot;</span>);            <span class="comment">/* write command failed */</span></div>
<div class="line"><a name="l00864"></a><span class="lineno">  864</span>&#160;            </div>
<div class="line"><a name="l00865"></a><span class="lineno">  865</span>&#160;            <span class="keywordflow">return</span> 1;                                                           <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00866"></a><span class="lineno">  866</span>&#160;        }</div>
<div class="line"><a name="l00867"></a><span class="lineno">  867</span>&#160;        <span class="keywordflow">for</span> (i = 0; i &lt; 8; i++)</div>
<div class="line"><a name="l00868"></a><span class="lineno">  868</span>&#160;        {</div>
<div class="line"><a name="l00869"></a><span class="lineno">  869</span>&#160;            <span class="keywordflow">if</span> (a_ds18b20_write_byte(handle, handle-&gt;<a class="code" href="structds18b20__handle__s.html#ae3c9459b1dbf0dc64f4398a7b7c12e59">rom</a>[i]) != 0)              <span class="comment">/* send rom */</span></div>
<div class="line"><a name="l00870"></a><span class="lineno">  870</span>&#160;            {</div>
<div class="line"><a name="l00871"></a><span class="lineno">  871</span>&#160;                handle-&gt;<a class="code" href="structds18b20__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ds18b20: write command failed.\n&quot;</span>);        <span class="comment">/* write command failed */</span></div>
<div class="line"><a name="l00872"></a><span class="lineno">  872</span>&#160;                </div>
<div class="line"><a name="l00873"></a><span class="lineno">  873</span>&#160;                <span class="keywordflow">return</span> 1;                                                       <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00874"></a><span class="lineno">  874</span>&#160;            }</div>
<div class="line"><a name="l00875"></a><span class="lineno">  875</span>&#160;        }</div>
<div class="line"><a name="l00876"></a><span class="lineno">  876</span>&#160;        <span class="keywordflow">if</span> (a_ds18b20_write_byte(handle, <a class="code" href="driver__ds18b20_8c.html#a3734ec2848db33401ad3246798e474a7">DS18B20_CMD_READ_SCRATCHPAD</a>) != 0)     <span class="comment">/* sent read scratchpad command */</span></div>
<div class="line"><a name="l00877"></a><span class="lineno">  877</span>&#160;        {</div>
<div class="line"><a name="l00878"></a><span class="lineno">  878</span>&#160;            handle-&gt;<a class="code" href="structds18b20__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ds18b20: write command failed.\n&quot;</span>);            <span class="comment">/* write command failed */</span></div>
<div class="line"><a name="l00879"></a><span class="lineno">  879</span>&#160;            </div>
<div class="line"><a name="l00880"></a><span class="lineno">  880</span>&#160;            <span class="keywordflow">return</span> 1;                                                           <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00881"></a><span class="lineno">  881</span>&#160;        }</div>
<div class="line"><a name="l00882"></a><span class="lineno">  882</span>&#160;        <span class="keywordflow">for</span> (i = 0; i &lt; 9; i++)</div>
<div class="line"><a name="l00883"></a><span class="lineno">  883</span>&#160;        {</div>
<div class="line"><a name="l00884"></a><span class="lineno">  884</span>&#160;            <span class="keywordflow">if</span> (a_ds18b20_read_byte(handle, (uint8_t *)&amp;buf[i]) != 0)           <span class="comment">/* read 9 byte */</span></div>
<div class="line"><a name="l00885"></a><span class="lineno">  885</span>&#160;            {</div>
<div class="line"><a name="l00886"></a><span class="lineno">  886</span>&#160;                handle-&gt;<a class="code" href="structds18b20__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ds18b20: read data failed.\n&quot;</span>);            <span class="comment">/* read data failed */</span></div>
<div class="line"><a name="l00887"></a><span class="lineno">  887</span>&#160;                </div>
<div class="line"><a name="l00888"></a><span class="lineno">  888</span>&#160;                <span class="keywordflow">return</span> 1;                                                       <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00889"></a><span class="lineno">  889</span>&#160;            }</div>
<div class="line"><a name="l00890"></a><span class="lineno">  890</span>&#160;        }</div>
<div class="line"><a name="l00891"></a><span class="lineno">  891</span>&#160;        <span class="keywordflow">if</span> (a_ds18b20_check_crc((uint8_t *)buf, 8, buf[8]) != 0)                <span class="comment">/* check crc */</span></div>
<div class="line"><a name="l00892"></a><span class="lineno">  892</span>&#160;        {</div>
<div class="line"><a name="l00893"></a><span class="lineno">  893</span>&#160;            handle-&gt;<a class="code" href="structds18b20__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ds18b20: crc check error.\n&quot;</span>);                 <span class="comment">/* crc check error */</span></div>
<div class="line"><a name="l00894"></a><span class="lineno">  894</span>&#160;            </div>
<div class="line"><a name="l00895"></a><span class="lineno">  895</span>&#160;            <span class="keywordflow">return</span> 1;                                                           <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00896"></a><span class="lineno">  896</span>&#160;        }</div>
<div class="line"><a name="l00897"></a><span class="lineno">  897</span>&#160;        <span class="keywordflow">if</span> (a_ds18b20_reset(handle) != 0)                                       <span class="comment">/* reset bus */</span></div>
<div class="line"><a name="l00898"></a><span class="lineno">  898</span>&#160;        {</div>
<div class="line"><a name="l00899"></a><span class="lineno">  899</span>&#160;            handle-&gt;<a class="code" href="structds18b20__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ds18b20: bus reset failed.\n&quot;</span>);                <span class="comment">/* reset bus failed */</span></div>
<div class="line"><a name="l00900"></a><span class="lineno">  900</span>&#160;            </div>
<div class="line"><a name="l00901"></a><span class="lineno">  901</span>&#160;            <span class="keywordflow">return</span> 1;                                                           <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00902"></a><span class="lineno">  902</span>&#160;        }</div>
<div class="line"><a name="l00903"></a><span class="lineno">  903</span>&#160;        <span class="keywordflow">if</span> (a_ds18b20_write_byte(handle, <a class="code" href="driver__ds18b20_8c.html#a6cdf02a12f71612a40dde0a265ebd75b">DS18B20_CMD_MATCH_ROM</a>) != 0)           <span class="comment">/* sent match rom command */</span></div>
<div class="line"><a name="l00904"></a><span class="lineno">  904</span>&#160;        {</div>
<div class="line"><a name="l00905"></a><span class="lineno">  905</span>&#160;            handle-&gt;<a class="code" href="structds18b20__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ds18b20: write command failed.\n&quot;</span>);            <span class="comment">/* write command failed */</span></div>
<div class="line"><a name="l00906"></a><span class="lineno">  906</span>&#160;            </div>
<div class="line"><a name="l00907"></a><span class="lineno">  907</span>&#160;            <span class="keywordflow">return</span> 1;                                                           <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00908"></a><span class="lineno">  908</span>&#160;        }</div>
<div class="line"><a name="l00909"></a><span class="lineno">  909</span>&#160;        <span class="keywordflow">for</span> (i = 0; i &lt; 8; i++)</div>
<div class="line"><a name="l00910"></a><span class="lineno">  910</span>&#160;        {</div>
<div class="line"><a name="l00911"></a><span class="lineno">  911</span>&#160;            <span class="keywordflow">if</span> (a_ds18b20_write_byte(handle, handle-&gt;<a class="code" href="structds18b20__handle__s.html#ae3c9459b1dbf0dc64f4398a7b7c12e59">rom</a>[i]) != 0)              <span class="comment">/* send rom */</span></div>
<div class="line"><a name="l00912"></a><span class="lineno">  912</span>&#160;            {</div>
<div class="line"><a name="l00913"></a><span class="lineno">  913</span>&#160;                handle-&gt;<a class="code" href="structds18b20__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ds18b20: write command failed.\n&quot;</span>);        <span class="comment">/* write command failed */</span></div>
<div class="line"><a name="l00914"></a><span class="lineno">  914</span>&#160;                </div>
<div class="line"><a name="l00915"></a><span class="lineno">  915</span>&#160;                <span class="keywordflow">return</span> 1;                                                       <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00916"></a><span class="lineno">  916</span>&#160;            }</div>
<div class="line"><a name="l00917"></a><span class="lineno">  917</span>&#160;        }</div>
<div class="line"><a name="l00918"></a><span class="lineno">  918</span>&#160;        <span class="keywordflow">if</span> (a_ds18b20_write_byte(handle, <a class="code" href="driver__ds18b20_8c.html#a57959c93d714e1c177afc244b2c57d5e">DS18B20_CMD_WRITE_SCRATCHPAD</a>) != 0)    <span class="comment">/* write scratchpad command */</span></div>
<div class="line"><a name="l00919"></a><span class="lineno">  919</span>&#160;        {</div>
<div class="line"><a name="l00920"></a><span class="lineno">  920</span>&#160;            handle-&gt;<a class="code" href="structds18b20__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ds18b20: write command failed.\n&quot;</span>);            <span class="comment">/* write command failed */</span></div>
<div class="line"><a name="l00921"></a><span class="lineno">  921</span>&#160;            </div>
<div class="line"><a name="l00922"></a><span class="lineno">  922</span>&#160;            <span class="keywordflow">return</span> 1;                                                           <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00923"></a><span class="lineno">  923</span>&#160;        }</div>
<div class="line"><a name="l00924"></a><span class="lineno">  924</span>&#160;        buf[2] = (uint8_t)threshold_high;                                       <span class="comment">/* set high threshold */</span></div>
<div class="line"><a name="l00925"></a><span class="lineno">  925</span>&#160;        buf[3] = (uint8_t)threshold_low;                                        <span class="comment">/* set low threshold */</span></div>
<div class="line"><a name="l00926"></a><span class="lineno">  926</span>&#160;        <span class="keywordflow">for</span> (i = 0; i &lt; 3; i++)</div>
<div class="line"><a name="l00927"></a><span class="lineno">  927</span>&#160;        {</div>
<div class="line"><a name="l00928"></a><span class="lineno">  928</span>&#160;            <span class="keywordflow">if</span> (a_ds18b20_write_byte(handle, buf[2 + i]) != 0)                  <span class="comment">/* write command */</span></div>
<div class="line"><a name="l00929"></a><span class="lineno">  929</span>&#160;            {</div>
<div class="line"><a name="l00930"></a><span class="lineno">  930</span>&#160;                handle-&gt;<a class="code" href="structds18b20__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ds18b20: write command failed.\n&quot;</span>);        <span class="comment">/* write command failed */</span></div>
<div class="line"><a name="l00931"></a><span class="lineno">  931</span>&#160;                </div>
<div class="line"><a name="l00932"></a><span class="lineno">  932</span>&#160;                <span class="keywordflow">return</span> 1;                                                       <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00933"></a><span class="lineno">  933</span>&#160;            }</div>
<div class="line"><a name="l00934"></a><span class="lineno">  934</span>&#160;        }</div>
<div class="line"><a name="l00935"></a><span class="lineno">  935</span>&#160;        </div>
<div class="line"><a name="l00936"></a><span class="lineno">  936</span>&#160;        <span class="keywordflow">return</span> 0;                                                               <span class="comment">/* success return 0 */</span></div>
<div class="line"><a name="l00937"></a><span class="lineno">  937</span>&#160;    }    </div>
<div class="line"><a name="l00938"></a><span class="lineno">  938</span>&#160;    <span class="keywordflow">else</span></div>
<div class="line"><a name="l00939"></a><span class="lineno">  939</span>&#160;    {</div>
<div class="line"><a name="l00940"></a><span class="lineno">  940</span>&#160;        handle-&gt;<a class="code" href="structds18b20__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ds18b20: mode invalid.\n&quot;</span>);                        <span class="comment">/* ds18b20 mode is invalid */</span></div>
<div class="line"><a name="l00941"></a><span class="lineno">  941</span>&#160;        </div>
<div class="line"><a name="l00942"></a><span class="lineno">  942</span>&#160;        <span class="keywordflow">return</span> 1;                                                               <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00943"></a><span class="lineno">  943</span>&#160;    }</div>
<div class="line"><a name="l00944"></a><span class="lineno">  944</span>&#160;}</div>
<div class="line"><a name="l00945"></a><span class="lineno">  945</span>&#160; </div>
<div class="line"><a name="l00958"></a><span class="lineno"><a class="line" href="group__ds18b20__advance__driver.html#gabe12d7ad8c1a4812239d2d85e0536a0d">  958</a></span>&#160;uint8_t <a class="code" href="group__ds18b20__advance__driver.html#gabe12d7ad8c1a4812239d2d85e0536a0d">ds18b20_scrachpad_get_alarm_threshold</a>(<a class="code" href="structds18b20__handle__s.html">ds18b20_handle_t</a> *handle, int8_t *threshold_high, int8_t *threshold_low)</div>
<div class="line"><a name="l00959"></a><span class="lineno">  959</span>&#160;{</div>
<div class="line"><a name="l00960"></a><span class="lineno">  960</span>&#160;    uint8_t i, buf[9];</div>
<div class="line"><a name="l00961"></a><span class="lineno">  961</span>&#160;    </div>
<div class="line"><a name="l00962"></a><span class="lineno">  962</span>&#160;    <span class="keywordflow">if</span> (handle == NULL)                                                         <span class="comment">/* check handle */</span></div>
<div class="line"><a name="l00963"></a><span class="lineno">  963</span>&#160;    {</div>
<div class="line"><a name="l00964"></a><span class="lineno">  964</span>&#160;        <span class="keywordflow">return</span> 2;                                                               <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00965"></a><span class="lineno">  965</span>&#160;    }</div>
<div class="line"><a name="l00966"></a><span class="lineno">  966</span>&#160;    <span class="keywordflow">if</span> (handle-&gt;<a class="code" href="structds18b20__handle__s.html#a19bedf28d2b9748f6a62d9ae93f4e68f">inited</a> != 1)                                                    <span class="comment">/* check handle initialization */</span></div>
<div class="line"><a name="l00967"></a><span class="lineno">  967</span>&#160;    {</div>
<div class="line"><a name="l00968"></a><span class="lineno">  968</span>&#160;        <span class="keywordflow">return</span> 3;                                                               <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00969"></a><span class="lineno">  969</span>&#160;    }</div>
<div class="line"><a name="l00970"></a><span class="lineno">  970</span>&#160;    </div>
<div class="line"><a name="l00971"></a><span class="lineno">  971</span>&#160;    <span class="keywordflow">if</span> (handle-&gt;<a class="code" href="structds18b20__handle__s.html#a37e90f5e3bd99fac2021fb3a326607d4">mode</a> == <a class="code" href="group__ds18b20__base__driver.html#ggaa76e51e2201d4058f4274ca420c165f6a2240dc3e5f913d272861b29b87e06942">DS18B20_MODE_SKIP_ROM</a>)                                  <span class="comment">/* if use skip rom mode */</span></div>
<div class="line"><a name="l00972"></a><span class="lineno">  972</span>&#160;    {</div>
<div class="line"><a name="l00973"></a><span class="lineno">  973</span>&#160;        <span class="keywordflow">if</span> (a_ds18b20_reset(handle) != 0)                                       <span class="comment">/* reset bus */</span></div>
<div class="line"><a name="l00974"></a><span class="lineno">  974</span>&#160;        {</div>
<div class="line"><a name="l00975"></a><span class="lineno">  975</span>&#160;            handle-&gt;<a class="code" href="structds18b20__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ds18b20: bus reset failed.\n&quot;</span>);                <span class="comment">/* reset bus failed */</span></div>
<div class="line"><a name="l00976"></a><span class="lineno">  976</span>&#160;            </div>
<div class="line"><a name="l00977"></a><span class="lineno">  977</span>&#160;            <span class="keywordflow">return</span> 1;                                                           <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00978"></a><span class="lineno">  978</span>&#160;        }</div>
<div class="line"><a name="l00979"></a><span class="lineno">  979</span>&#160;        <span class="keywordflow">if</span> (a_ds18b20_write_byte(handle, <a class="code" href="driver__ds18b20_8c.html#a608ba051f40d5b9e54f8ebc016dc1514">DS18B20_CMD_SKIP_ROM</a>) != 0)            <span class="comment">/* sent skip rom command */</span></div>
<div class="line"><a name="l00980"></a><span class="lineno">  980</span>&#160;        {</div>
<div class="line"><a name="l00981"></a><span class="lineno">  981</span>&#160;            handle-&gt;<a class="code" href="structds18b20__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ds18b20: write command failed.\n&quot;</span>);            <span class="comment">/* write command failed */</span></div>
<div class="line"><a name="l00982"></a><span class="lineno">  982</span>&#160;            </div>
<div class="line"><a name="l00983"></a><span class="lineno">  983</span>&#160;            <span class="keywordflow">return</span> 1;                                                           <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00984"></a><span class="lineno">  984</span>&#160;        }</div>
<div class="line"><a name="l00985"></a><span class="lineno">  985</span>&#160;        <span class="keywordflow">if</span> (a_ds18b20_write_byte(handle, <a class="code" href="driver__ds18b20_8c.html#a3734ec2848db33401ad3246798e474a7">DS18B20_CMD_READ_SCRATCHPAD</a>) != 0)     <span class="comment">/* sent read scratchpad command */</span></div>
<div class="line"><a name="l00986"></a><span class="lineno">  986</span>&#160;        {</div>
<div class="line"><a name="l00987"></a><span class="lineno">  987</span>&#160;            handle-&gt;<a class="code" href="structds18b20__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ds18b20: write command failed.\n&quot;</span>);            <span class="comment">/* write command failed */</span></div>
<div class="line"><a name="l00988"></a><span class="lineno">  988</span>&#160;            </div>
<div class="line"><a name="l00989"></a><span class="lineno">  989</span>&#160;            <span class="keywordflow">return</span> 1;                                                           <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00990"></a><span class="lineno">  990</span>&#160;        }</div>
<div class="line"><a name="l00991"></a><span class="lineno">  991</span>&#160;        <span class="keywordflow">for</span> (i = 0; i &lt; 9; i++)</div>
<div class="line"><a name="l00992"></a><span class="lineno">  992</span>&#160;        {</div>
<div class="line"><a name="l00993"></a><span class="lineno">  993</span>&#160;            <span class="keywordflow">if</span> (a_ds18b20_read_byte(handle, (uint8_t *)&amp;buf[i]) != 0)           <span class="comment">/* read 9 bytes */</span></div>
<div class="line"><a name="l00994"></a><span class="lineno">  994</span>&#160;            {</div>
<div class="line"><a name="l00995"></a><span class="lineno">  995</span>&#160;                handle-&gt;<a class="code" href="structds18b20__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ds18b20: read data failed.\n&quot;</span>);            <span class="comment">/* read data failed */</span></div>
<div class="line"><a name="l00996"></a><span class="lineno">  996</span>&#160;                </div>
<div class="line"><a name="l00997"></a><span class="lineno">  997</span>&#160;                <span class="keywordflow">return</span> 1;                                                       <span class="comment">/* return error */</span></div>
<div class="line"><a name="l00998"></a><span class="lineno">  998</span>&#160;            }</div>
<div class="line"><a name="l00999"></a><span class="lineno">  999</span>&#160;        }</div>
<div class="line"><a name="l01000"></a><span class="lineno"> 1000</span>&#160;        <span class="keywordflow">if</span> (a_ds18b20_check_crc((uint8_t *)buf, 8, buf[8]) != 0)                <span class="comment">/* check crc */</span></div>
<div class="line"><a name="l01001"></a><span class="lineno"> 1001</span>&#160;        {</div>
<div class="line"><a name="l01002"></a><span class="lineno"> 1002</span>&#160;            handle-&gt;<a class="code" href="structds18b20__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ds18b20: crc check error.\n&quot;</span>);                 <span class="comment">/* crc check error */</span></div>
<div class="line"><a name="l01003"></a><span class="lineno"> 1003</span>&#160;            </div>
<div class="line"><a name="l01004"></a><span class="lineno"> 1004</span>&#160;            <span class="keywordflow">return</span> 1;                                                           <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01005"></a><span class="lineno"> 1005</span>&#160;        }</div>
<div class="line"><a name="l01006"></a><span class="lineno"> 1006</span>&#160;        *threshold_high = (int8_t)(buf[2]);                                     <span class="comment">/* get high threshold */</span></div>
<div class="line"><a name="l01007"></a><span class="lineno"> 1007</span>&#160;        *threshold_low = (int8_t)(buf[3]);                                      <span class="comment">/* get low threshold */</span></div>
<div class="line"><a name="l01008"></a><span class="lineno"> 1008</span>&#160;        </div>
<div class="line"><a name="l01009"></a><span class="lineno"> 1009</span>&#160;        <span class="keywordflow">return</span> 0;                                                               <span class="comment">/* success return 0 */</span></div>
<div class="line"><a name="l01010"></a><span class="lineno"> 1010</span>&#160;    }</div>
<div class="line"><a name="l01011"></a><span class="lineno"> 1011</span>&#160;    <span class="keywordflow">else</span> <span class="keywordflow">if</span> (handle-&gt;<a class="code" href="structds18b20__handle__s.html#a37e90f5e3bd99fac2021fb3a326607d4">mode</a> == <a class="code" href="group__ds18b20__base__driver.html#ggaa76e51e2201d4058f4274ca420c165f6a6fefdf17cbb1204ac17187e4c6c96eeb">DS18B20_MODE_MATCH_ROM</a>)                            <span class="comment">/* if we use match rom mode */</span></div>
<div class="line"><a name="l01012"></a><span class="lineno"> 1012</span>&#160;    {</div>
<div class="line"><a name="l01013"></a><span class="lineno"> 1013</span>&#160;        <span class="keywordflow">if</span> (a_ds18b20_reset(handle) != 0)                                       <span class="comment">/* reset bus */</span></div>
<div class="line"><a name="l01014"></a><span class="lineno"> 1014</span>&#160;        {</div>
<div class="line"><a name="l01015"></a><span class="lineno"> 1015</span>&#160;            handle-&gt;<a class="code" href="structds18b20__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ds18b20: bus reset failed.\n&quot;</span>);                <span class="comment">/* reset bus failed */</span></div>
<div class="line"><a name="l01016"></a><span class="lineno"> 1016</span>&#160;            </div>
<div class="line"><a name="l01017"></a><span class="lineno"> 1017</span>&#160;            <span class="keywordflow">return</span> 1;                                                           <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01018"></a><span class="lineno"> 1018</span>&#160;        }</div>
<div class="line"><a name="l01019"></a><span class="lineno"> 1019</span>&#160;        <span class="keywordflow">if</span> (a_ds18b20_write_byte(handle, <a class="code" href="driver__ds18b20_8c.html#a6cdf02a12f71612a40dde0a265ebd75b">DS18B20_CMD_MATCH_ROM</a>) != 0)           <span class="comment">/* write match rom command */</span></div>
<div class="line"><a name="l01020"></a><span class="lineno"> 1020</span>&#160;        {</div>
<div class="line"><a name="l01021"></a><span class="lineno"> 1021</span>&#160;            handle-&gt;<a class="code" href="structds18b20__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ds18b20: write command failed.\n&quot;</span>);            <span class="comment">/* write command failed */</span></div>
<div class="line"><a name="l01022"></a><span class="lineno"> 1022</span>&#160;            </div>
<div class="line"><a name="l01023"></a><span class="lineno"> 1023</span>&#160;            <span class="keywordflow">return</span> 1;                                                           <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01024"></a><span class="lineno"> 1024</span>&#160;        }</div>
<div class="line"><a name="l01025"></a><span class="lineno"> 1025</span>&#160;        <span class="keywordflow">for</span> (i = 0; i &lt; 8; i++)</div>
<div class="line"><a name="l01026"></a><span class="lineno"> 1026</span>&#160;        {</div>
<div class="line"><a name="l01027"></a><span class="lineno"> 1027</span>&#160;            <span class="keywordflow">if</span> (a_ds18b20_write_byte(handle, handle-&gt;<a class="code" href="structds18b20__handle__s.html#ae3c9459b1dbf0dc64f4398a7b7c12e59">rom</a>[i]) != 0)              <span class="comment">/* send rom */</span></div>
<div class="line"><a name="l01028"></a><span class="lineno"> 1028</span>&#160;            {</div>
<div class="line"><a name="l01029"></a><span class="lineno"> 1029</span>&#160;                handle-&gt;<a class="code" href="structds18b20__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ds18b20: write command failed.\n&quot;</span>);        <span class="comment">/* write command failed */</span></div>
<div class="line"><a name="l01030"></a><span class="lineno"> 1030</span>&#160;                </div>
<div class="line"><a name="l01031"></a><span class="lineno"> 1031</span>&#160;                <span class="keywordflow">return</span> 1;                                                       <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01032"></a><span class="lineno"> 1032</span>&#160;            }</div>
<div class="line"><a name="l01033"></a><span class="lineno"> 1033</span>&#160;        }</div>
<div class="line"><a name="l01034"></a><span class="lineno"> 1034</span>&#160;        <span class="keywordflow">if</span> (a_ds18b20_write_byte(handle, <a class="code" href="driver__ds18b20_8c.html#a3734ec2848db33401ad3246798e474a7">DS18B20_CMD_READ_SCRATCHPAD</a>) != 0)     <span class="comment">/* sent read scratchpad command */</span></div>
<div class="line"><a name="l01035"></a><span class="lineno"> 1035</span>&#160;        {</div>
<div class="line"><a name="l01036"></a><span class="lineno"> 1036</span>&#160;            handle-&gt;<a class="code" href="structds18b20__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ds18b20: write command failed.\n&quot;</span>);            <span class="comment">/* write command failed */</span></div>
<div class="line"><a name="l01037"></a><span class="lineno"> 1037</span>&#160;            </div>
<div class="line"><a name="l01038"></a><span class="lineno"> 1038</span>&#160;            <span class="keywordflow">return</span> 1;                                                           <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01039"></a><span class="lineno"> 1039</span>&#160;        }</div>
<div class="line"><a name="l01040"></a><span class="lineno"> 1040</span>&#160;        <span class="keywordflow">for</span> (i = 0; i &lt; 9; i++)                                                 <span class="comment">/* read 9 bytes */</span></div>
<div class="line"><a name="l01041"></a><span class="lineno"> 1041</span>&#160;        {</div>
<div class="line"><a name="l01042"></a><span class="lineno"> 1042</span>&#160;            <span class="keywordflow">if</span> (a_ds18b20_read_byte(handle, (uint8_t *)&amp;buf[i]) != 0)           <span class="comment">/* read bytes */</span></div>
<div class="line"><a name="l01043"></a><span class="lineno"> 1043</span>&#160;            {</div>
<div class="line"><a name="l01044"></a><span class="lineno"> 1044</span>&#160;                handle-&gt;<a class="code" href="structds18b20__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ds18b20: read data failed.\n&quot;</span>);            <span class="comment">/* read byte failed */</span></div>
<div class="line"><a name="l01045"></a><span class="lineno"> 1045</span>&#160;                </div>
<div class="line"><a name="l01046"></a><span class="lineno"> 1046</span>&#160;                <span class="keywordflow">return</span> 1;                                                       <span class="comment">/* return error */</span> </div>
<div class="line"><a name="l01047"></a><span class="lineno"> 1047</span>&#160;            }</div>
<div class="line"><a name="l01048"></a><span class="lineno"> 1048</span>&#160;        }</div>
<div class="line"><a name="l01049"></a><span class="lineno"> 1049</span>&#160;        <span class="keywordflow">if</span> (a_ds18b20_check_crc((uint8_t *)buf, 8, buf[8]) != 0)                <span class="comment">/* check crc */</span></div>
<div class="line"><a name="l01050"></a><span class="lineno"> 1050</span>&#160;        {</div>
<div class="line"><a name="l01051"></a><span class="lineno"> 1051</span>&#160;            handle-&gt;<a class="code" href="structds18b20__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ds18b20: crc check error.\n&quot;</span>);                 <span class="comment">/* crc error */</span></div>
<div class="line"><a name="l01052"></a><span class="lineno"> 1052</span>&#160;            </div>
<div class="line"><a name="l01053"></a><span class="lineno"> 1053</span>&#160;            <span class="keywordflow">return</span> 1;                                                           <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01054"></a><span class="lineno"> 1054</span>&#160;        }</div>
<div class="line"><a name="l01055"></a><span class="lineno"> 1055</span>&#160;        *threshold_high = (int8_t)(buf[2]);                                     <span class="comment">/* get high threshold */</span></div>
<div class="line"><a name="l01056"></a><span class="lineno"> 1056</span>&#160;        *threshold_low = (int8_t)(buf[3]);                                      <span class="comment">/* get low threshold */</span></div>
<div class="line"><a name="l01057"></a><span class="lineno"> 1057</span>&#160;        </div>
<div class="line"><a name="l01058"></a><span class="lineno"> 1058</span>&#160;        <span class="keywordflow">return</span> 0;                                                               <span class="comment">/* success return 0 */</span></div>
<div class="line"><a name="l01059"></a><span class="lineno"> 1059</span>&#160;    }</div>
<div class="line"><a name="l01060"></a><span class="lineno"> 1060</span>&#160;    <span class="keywordflow">else</span></div>
<div class="line"><a name="l01061"></a><span class="lineno"> 1061</span>&#160;    {</div>
<div class="line"><a name="l01062"></a><span class="lineno"> 1062</span>&#160;        handle-&gt;<a class="code" href="structds18b20__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ds18b20: mode invalid.\n&quot;</span>);                        <span class="comment">/* ds18b20 mode invalid */</span></div>
<div class="line"><a name="l01063"></a><span class="lineno"> 1063</span>&#160;        </div>
<div class="line"><a name="l01064"></a><span class="lineno"> 1064</span>&#160;        <span class="keywordflow">return</span> 1;                                                               <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01065"></a><span class="lineno"> 1065</span>&#160;    }</div>
<div class="line"><a name="l01066"></a><span class="lineno"> 1066</span>&#160;}</div>
<div class="line"><a name="l01067"></a><span class="lineno"> 1067</span>&#160; </div>
<div class="line"><a name="l01078"></a><span class="lineno"><a class="line" href="group__ds18b20__base__driver.html#ga5b16e3c5bee08168be48a615150fe171"> 1078</a></span>&#160;uint8_t <a class="code" href="group__ds18b20__base__driver.html#ga5b16e3c5bee08168be48a615150fe171">ds18b20_copy_scratchpad_to_eeprom</a>(<a class="code" href="structds18b20__handle__s.html">ds18b20_handle_t</a> *handle)</div>
<div class="line"><a name="l01079"></a><span class="lineno"> 1079</span>&#160;{</div>
<div class="line"><a name="l01080"></a><span class="lineno"> 1080</span>&#160;    uint8_t i;</div>
<div class="line"><a name="l01081"></a><span class="lineno"> 1081</span>&#160;    </div>
<div class="line"><a name="l01082"></a><span class="lineno"> 1082</span>&#160;    <span class="keywordflow">if</span> (handle == NULL)                                                         <span class="comment">/* check handle */</span></div>
<div class="line"><a name="l01083"></a><span class="lineno"> 1083</span>&#160;    {</div>
<div class="line"><a name="l01084"></a><span class="lineno"> 1084</span>&#160;        <span class="keywordflow">return</span> 2;                                                               <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01085"></a><span class="lineno"> 1085</span>&#160;    }</div>
<div class="line"><a name="l01086"></a><span class="lineno"> 1086</span>&#160;    <span class="keywordflow">if</span> (handle-&gt;<a class="code" href="structds18b20__handle__s.html#a19bedf28d2b9748f6a62d9ae93f4e68f">inited</a> != 1)                                                    <span class="comment">/* check handle initialization */</span></div>
<div class="line"><a name="l01087"></a><span class="lineno"> 1087</span>&#160;    {</div>
<div class="line"><a name="l01088"></a><span class="lineno"> 1088</span>&#160;        <span class="keywordflow">return</span> 3;                                                               <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01089"></a><span class="lineno"> 1089</span>&#160;    }</div>
<div class="line"><a name="l01090"></a><span class="lineno"> 1090</span>&#160;    </div>
<div class="line"><a name="l01091"></a><span class="lineno"> 1091</span>&#160;    <span class="keywordflow">if</span> (handle-&gt;<a class="code" href="structds18b20__handle__s.html#a37e90f5e3bd99fac2021fb3a326607d4">mode</a> == <a class="code" href="group__ds18b20__base__driver.html#ggaa76e51e2201d4058f4274ca420c165f6a2240dc3e5f913d272861b29b87e06942">DS18B20_MODE_SKIP_ROM</a>)                                  <span class="comment">/* if use skip rom mode */</span></div>
<div class="line"><a name="l01092"></a><span class="lineno"> 1092</span>&#160;    {</div>
<div class="line"><a name="l01093"></a><span class="lineno"> 1093</span>&#160;        <span class="keywordflow">if</span> (a_ds18b20_reset(handle) != 0)                                       <span class="comment">/* reset bus */</span></div>
<div class="line"><a name="l01094"></a><span class="lineno"> 1094</span>&#160;        {</div>
<div class="line"><a name="l01095"></a><span class="lineno"> 1095</span>&#160;            handle-&gt;<a class="code" href="structds18b20__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ds18b20: bus reset failed.\n&quot;</span>);                <span class="comment">/* reset bus failed */</span></div>
<div class="line"><a name="l01096"></a><span class="lineno"> 1096</span>&#160;            </div>
<div class="line"><a name="l01097"></a><span class="lineno"> 1097</span>&#160;            <span class="keywordflow">return</span> 1;                                                           <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01098"></a><span class="lineno"> 1098</span>&#160;        }</div>
<div class="line"><a name="l01099"></a><span class="lineno"> 1099</span>&#160;        <span class="keywordflow">if</span> (a_ds18b20_write_byte(handle, <a class="code" href="driver__ds18b20_8c.html#a608ba051f40d5b9e54f8ebc016dc1514">DS18B20_CMD_SKIP_ROM</a>) != 0)            <span class="comment">/* sent skip rom command */</span></div>
<div class="line"><a name="l01100"></a><span class="lineno"> 1100</span>&#160;        {</div>
<div class="line"><a name="l01101"></a><span class="lineno"> 1101</span>&#160;            handle-&gt;<a class="code" href="structds18b20__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ds18b20: write command failed.\n&quot;</span>);            <span class="comment">/* write command failed */</span></div>
<div class="line"><a name="l01102"></a><span class="lineno"> 1102</span>&#160;            </div>
<div class="line"><a name="l01103"></a><span class="lineno"> 1103</span>&#160;            <span class="keywordflow">return</span> 1;                                                           <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01104"></a><span class="lineno"> 1104</span>&#160;        }</div>
<div class="line"><a name="l01105"></a><span class="lineno"> 1105</span>&#160;        <span class="keywordflow">if</span> (a_ds18b20_write_byte(handle, <a class="code" href="driver__ds18b20_8c.html#ae93330bdd8be8a8321fab8fd377f032d">DS18B20_CMD_COPY_SCRATCHPAD</a>) != 0)     <span class="comment">/* write copy scratchpad command */</span></div>
<div class="line"><a name="l01106"></a><span class="lineno"> 1106</span>&#160;        {</div>
<div class="line"><a name="l01107"></a><span class="lineno"> 1107</span>&#160;            handle-&gt;<a class="code" href="structds18b20__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ds18b20: write command failed.\n&quot;</span>);            <span class="comment">/* write command failed */</span></div>
<div class="line"><a name="l01108"></a><span class="lineno"> 1108</span>&#160;            </div>
<div class="line"><a name="l01109"></a><span class="lineno"> 1109</span>&#160;            <span class="keywordflow">return</span> 1;                                                           <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01110"></a><span class="lineno"> 1110</span>&#160;        }</div>
<div class="line"><a name="l01111"></a><span class="lineno"> 1111</span>&#160;        </div>
<div class="line"><a name="l01112"></a><span class="lineno"> 1112</span>&#160;        <span class="keywordflow">return</span> 0;                                                               <span class="comment">/* success return 0 */</span></div>
<div class="line"><a name="l01113"></a><span class="lineno"> 1113</span>&#160;    }</div>
<div class="line"><a name="l01114"></a><span class="lineno"> 1114</span>&#160;    <span class="keywordflow">else</span> <span class="keywordflow">if</span> (handle-&gt;<a class="code" href="structds18b20__handle__s.html#a37e90f5e3bd99fac2021fb3a326607d4">mode</a> == <a class="code" href="group__ds18b20__base__driver.html#ggaa76e51e2201d4058f4274ca420c165f6a6fefdf17cbb1204ac17187e4c6c96eeb">DS18B20_MODE_MATCH_ROM</a>)                            <span class="comment">/* if we use match rom mode */</span></div>
<div class="line"><a name="l01115"></a><span class="lineno"> 1115</span>&#160;    {</div>
<div class="line"><a name="l01116"></a><span class="lineno"> 1116</span>&#160;        <span class="keywordflow">if</span> (a_ds18b20_reset(handle) != 0)                                       <span class="comment">/* reset bus */</span></div>
<div class="line"><a name="l01117"></a><span class="lineno"> 1117</span>&#160;        {</div>
<div class="line"><a name="l01118"></a><span class="lineno"> 1118</span>&#160;            handle-&gt;<a class="code" href="structds18b20__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ds18b20: bus reset failed.\n&quot;</span>);                <span class="comment">/* bus reset failed */</span></div>
<div class="line"><a name="l01119"></a><span class="lineno"> 1119</span>&#160;            </div>
<div class="line"><a name="l01120"></a><span class="lineno"> 1120</span>&#160;            <span class="keywordflow">return</span> 1;                                                           <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01121"></a><span class="lineno"> 1121</span>&#160;        }</div>
<div class="line"><a name="l01122"></a><span class="lineno"> 1122</span>&#160;        <span class="keywordflow">if</span> (a_ds18b20_write_byte(handle, <a class="code" href="driver__ds18b20_8c.html#a6cdf02a12f71612a40dde0a265ebd75b">DS18B20_CMD_MATCH_ROM</a>) != 0)           <span class="comment">/* write match rom command */</span></div>
<div class="line"><a name="l01123"></a><span class="lineno"> 1123</span>&#160;        {</div>
<div class="line"><a name="l01124"></a><span class="lineno"> 1124</span>&#160;            handle-&gt;<a class="code" href="structds18b20__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ds18b20: write command failed.\n&quot;</span>);            <span class="comment">/* write command failed */</span></div>
<div class="line"><a name="l01125"></a><span class="lineno"> 1125</span>&#160;            </div>
<div class="line"><a name="l01126"></a><span class="lineno"> 1126</span>&#160;            <span class="keywordflow">return</span> 1;                                                           <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01127"></a><span class="lineno"> 1127</span>&#160;        }    </div>
<div class="line"><a name="l01128"></a><span class="lineno"> 1128</span>&#160;        <span class="keywordflow">for</span> (i = 0; i &lt; 8; i++)</div>
<div class="line"><a name="l01129"></a><span class="lineno"> 1129</span>&#160;        {</div>
<div class="line"><a name="l01130"></a><span class="lineno"> 1130</span>&#160;            <span class="keywordflow">if</span> (a_ds18b20_write_byte(handle, handle-&gt;<a class="code" href="structds18b20__handle__s.html#ae3c9459b1dbf0dc64f4398a7b7c12e59">rom</a>[i]) != 0)              <span class="comment">/* send rom */</span></div>
<div class="line"><a name="l01131"></a><span class="lineno"> 1131</span>&#160;            {</div>
<div class="line"><a name="l01132"></a><span class="lineno"> 1132</span>&#160;                handle-&gt;<a class="code" href="structds18b20__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ds18b20: write command failed.\n&quot;</span>);        <span class="comment">/* write command */</span></div>
<div class="line"><a name="l01133"></a><span class="lineno"> 1133</span>&#160;                </div>
<div class="line"><a name="l01134"></a><span class="lineno"> 1134</span>&#160;                <span class="keywordflow">return</span> 1;                                                       <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01135"></a><span class="lineno"> 1135</span>&#160;            }</div>
<div class="line"><a name="l01136"></a><span class="lineno"> 1136</span>&#160;        }</div>
<div class="line"><a name="l01137"></a><span class="lineno"> 1137</span>&#160;        <span class="keywordflow">if</span> (a_ds18b20_write_byte(handle, <a class="code" href="driver__ds18b20_8c.html#ae93330bdd8be8a8321fab8fd377f032d">DS18B20_CMD_COPY_SCRATCHPAD</a>) != 0)     <span class="comment">/* write copy scratchpad command */</span></div>
<div class="line"><a name="l01138"></a><span class="lineno"> 1138</span>&#160;        {</div>
<div class="line"><a name="l01139"></a><span class="lineno"> 1139</span>&#160;            handle-&gt;<a class="code" href="structds18b20__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ds18b20: write command failed.\n&quot;</span>);            <span class="comment">/* write command failed */</span></div>
<div class="line"><a name="l01140"></a><span class="lineno"> 1140</span>&#160;            </div>
<div class="line"><a name="l01141"></a><span class="lineno"> 1141</span>&#160;            <span class="keywordflow">return</span> 1;                                                           <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01142"></a><span class="lineno"> 1142</span>&#160;        }</div>
<div class="line"><a name="l01143"></a><span class="lineno"> 1143</span>&#160;        </div>
<div class="line"><a name="l01144"></a><span class="lineno"> 1144</span>&#160;        <span class="keywordflow">return</span> 0;                                                               <span class="comment">/* success return 0 */</span></div>
<div class="line"><a name="l01145"></a><span class="lineno"> 1145</span>&#160;    }</div>
<div class="line"><a name="l01146"></a><span class="lineno"> 1146</span>&#160;    <span class="keywordflow">else</span></div>
<div class="line"><a name="l01147"></a><span class="lineno"> 1147</span>&#160;    {</div>
<div class="line"><a name="l01148"></a><span class="lineno"> 1148</span>&#160;        handle-&gt;<a class="code" href="structds18b20__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ds18b20: mode invalid.\n&quot;</span>);                        <span class="comment">/* ds18b20 mode is invalid */</span></div>
<div class="line"><a name="l01149"></a><span class="lineno"> 1149</span>&#160;        </div>
<div class="line"><a name="l01150"></a><span class="lineno"> 1150</span>&#160;        <span class="keywordflow">return</span> 1;                                                               <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01151"></a><span class="lineno"> 1151</span>&#160;    }</div>
<div class="line"><a name="l01152"></a><span class="lineno"> 1152</span>&#160;}</div>
<div class="line"><a name="l01153"></a><span class="lineno"> 1153</span>&#160; </div>
<div class="line"><a name="l01164"></a><span class="lineno"><a class="line" href="group__ds18b20__base__driver.html#ga511d72a8988b7dc7dc09bd82ab3cfde3"> 1164</a></span>&#160;uint8_t <a class="code" href="group__ds18b20__base__driver.html#ga511d72a8988b7dc7dc09bd82ab3cfde3">ds18b20_copy_eeprom_to_scratchpad</a>(<a class="code" href="structds18b20__handle__s.html">ds18b20_handle_t</a> *handle)</div>
<div class="line"><a name="l01165"></a><span class="lineno"> 1165</span>&#160;{</div>
<div class="line"><a name="l01166"></a><span class="lineno"> 1166</span>&#160;    uint8_t i;</div>
<div class="line"><a name="l01167"></a><span class="lineno"> 1167</span>&#160;    </div>
<div class="line"><a name="l01168"></a><span class="lineno"> 1168</span>&#160;    <span class="keywordflow">if</span> (handle == NULL)                                                         <span class="comment">/* check handle */</span></div>
<div class="line"><a name="l01169"></a><span class="lineno"> 1169</span>&#160;    {</div>
<div class="line"><a name="l01170"></a><span class="lineno"> 1170</span>&#160;        <span class="keywordflow">return</span> 2;                                                               <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01171"></a><span class="lineno"> 1171</span>&#160;    }</div>
<div class="line"><a name="l01172"></a><span class="lineno"> 1172</span>&#160;    <span class="keywordflow">if</span> (handle-&gt;<a class="code" href="structds18b20__handle__s.html#a19bedf28d2b9748f6a62d9ae93f4e68f">inited</a> != 1)                                                    <span class="comment">/* check handle initialization */</span></div>
<div class="line"><a name="l01173"></a><span class="lineno"> 1173</span>&#160;    {</div>
<div class="line"><a name="l01174"></a><span class="lineno"> 1174</span>&#160;        <span class="keywordflow">return</span> 3;                                                               <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01175"></a><span class="lineno"> 1175</span>&#160;    }</div>
<div class="line"><a name="l01176"></a><span class="lineno"> 1176</span>&#160;    </div>
<div class="line"><a name="l01177"></a><span class="lineno"> 1177</span>&#160;    <span class="keywordflow">if</span> (handle-&gt;<a class="code" href="structds18b20__handle__s.html#a37e90f5e3bd99fac2021fb3a326607d4">mode</a> == <a class="code" href="group__ds18b20__base__driver.html#ggaa76e51e2201d4058f4274ca420c165f6a2240dc3e5f913d272861b29b87e06942">DS18B20_MODE_SKIP_ROM</a>)                                  <span class="comment">/* if we use in skip rom */</span></div>
<div class="line"><a name="l01178"></a><span class="lineno"> 1178</span>&#160;    {</div>
<div class="line"><a name="l01179"></a><span class="lineno"> 1179</span>&#160;        <span class="keywordflow">if</span> (a_ds18b20_reset(handle) != 0)                                       <span class="comment">/* reset bus */</span></div>
<div class="line"><a name="l01180"></a><span class="lineno"> 1180</span>&#160;        {</div>
<div class="line"><a name="l01181"></a><span class="lineno"> 1181</span>&#160;            handle-&gt;<a class="code" href="structds18b20__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ds18b20: bus reset failed.\n&quot;</span>);                <span class="comment">/* reset bus failed */</span></div>
<div class="line"><a name="l01182"></a><span class="lineno"> 1182</span>&#160;            </div>
<div class="line"><a name="l01183"></a><span class="lineno"> 1183</span>&#160;            <span class="keywordflow">return</span> 1;                                                           <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01184"></a><span class="lineno"> 1184</span>&#160;        }</div>
<div class="line"><a name="l01185"></a><span class="lineno"> 1185</span>&#160;        <span class="keywordflow">if</span> (a_ds18b20_write_byte(handle, <a class="code" href="driver__ds18b20_8c.html#a608ba051f40d5b9e54f8ebc016dc1514">DS18B20_CMD_SKIP_ROM</a>) != 0)            <span class="comment">/* sent skip rom command */</span></div>
<div class="line"><a name="l01186"></a><span class="lineno"> 1186</span>&#160;        {</div>
<div class="line"><a name="l01187"></a><span class="lineno"> 1187</span>&#160;            handle-&gt;<a class="code" href="structds18b20__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ds18b20: write command failed.\n&quot;</span>);            <span class="comment">/* write command failed */</span></div>
<div class="line"><a name="l01188"></a><span class="lineno"> 1188</span>&#160;            </div>
<div class="line"><a name="l01189"></a><span class="lineno"> 1189</span>&#160;            <span class="keywordflow">return</span> 1;                                                           <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01190"></a><span class="lineno"> 1190</span>&#160;        }</div>
<div class="line"><a name="l01191"></a><span class="lineno"> 1191</span>&#160;        <span class="keywordflow">if</span> (a_ds18b20_write_byte(handle, <a class="code" href="driver__ds18b20_8c.html#ab8ff7b9c7b59106d5c9bda3c03d56c6d">DS18B20_CMD_RECALL_EE</a>) != 0)           <span class="comment">/* write recall ee command */</span></div>
<div class="line"><a name="l01192"></a><span class="lineno"> 1192</span>&#160;        {</div>
<div class="line"><a name="l01193"></a><span class="lineno"> 1193</span>&#160;            handle-&gt;<a class="code" href="structds18b20__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ds18b20: write command failed.\n&quot;</span>);            <span class="comment">/* write command failed */</span></div>
<div class="line"><a name="l01194"></a><span class="lineno"> 1194</span>&#160;            </div>
<div class="line"><a name="l01195"></a><span class="lineno"> 1195</span>&#160;            <span class="keywordflow">return</span> 1;                                                           <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01196"></a><span class="lineno"> 1196</span>&#160;        }</div>
<div class="line"><a name="l01197"></a><span class="lineno"> 1197</span>&#160;        </div>
<div class="line"><a name="l01198"></a><span class="lineno"> 1198</span>&#160;        <span class="keywordflow">return</span> 0;                                                               <span class="comment">/* success return 0 */</span></div>
<div class="line"><a name="l01199"></a><span class="lineno"> 1199</span>&#160;    }</div>
<div class="line"><a name="l01200"></a><span class="lineno"> 1200</span>&#160;    <span class="keywordflow">else</span> <span class="keywordflow">if</span> (handle-&gt;<a class="code" href="structds18b20__handle__s.html#a37e90f5e3bd99fac2021fb3a326607d4">mode</a> == <a class="code" href="group__ds18b20__base__driver.html#ggaa76e51e2201d4058f4274ca420c165f6a6fefdf17cbb1204ac17187e4c6c96eeb">DS18B20_MODE_MATCH_ROM</a>)                            <span class="comment">/* if we use match rom mode */</span></div>
<div class="line"><a name="l01201"></a><span class="lineno"> 1201</span>&#160;    {</div>
<div class="line"><a name="l01202"></a><span class="lineno"> 1202</span>&#160;        <span class="keywordflow">if</span> (a_ds18b20_reset(handle) != 0)                                       <span class="comment">/* reset bus */</span></div>
<div class="line"><a name="l01203"></a><span class="lineno"> 1203</span>&#160;        {</div>
<div class="line"><a name="l01204"></a><span class="lineno"> 1204</span>&#160;            handle-&gt;<a class="code" href="structds18b20__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ds18b20: bus reset failed.\n&quot;</span>);                <span class="comment">/* reset bus failed */</span></div>
<div class="line"><a name="l01205"></a><span class="lineno"> 1205</span>&#160;            </div>
<div class="line"><a name="l01206"></a><span class="lineno"> 1206</span>&#160;            <span class="keywordflow">return</span> 1;                                                           <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01207"></a><span class="lineno"> 1207</span>&#160;        }</div>
<div class="line"><a name="l01208"></a><span class="lineno"> 1208</span>&#160;        <span class="keywordflow">if</span> (a_ds18b20_write_byte(handle, <a class="code" href="driver__ds18b20_8c.html#a6cdf02a12f71612a40dde0a265ebd75b">DS18B20_CMD_MATCH_ROM</a>) != 0)           <span class="comment">/* sent match rom command */</span></div>
<div class="line"><a name="l01209"></a><span class="lineno"> 1209</span>&#160;        {</div>
<div class="line"><a name="l01210"></a><span class="lineno"> 1210</span>&#160;            handle-&gt;<a class="code" href="structds18b20__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ds18b20: write command failed.\n&quot;</span>);            <span class="comment">/* write command */</span></div>
<div class="line"><a name="l01211"></a><span class="lineno"> 1211</span>&#160;            </div>
<div class="line"><a name="l01212"></a><span class="lineno"> 1212</span>&#160;            <span class="keywordflow">return</span> 1;                                                           <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01213"></a><span class="lineno"> 1213</span>&#160;        }</div>
<div class="line"><a name="l01214"></a><span class="lineno"> 1214</span>&#160;        <span class="keywordflow">for</span> (i = 0; i &lt; 8; i++)</div>
<div class="line"><a name="l01215"></a><span class="lineno"> 1215</span>&#160;        {</div>
<div class="line"><a name="l01216"></a><span class="lineno"> 1216</span>&#160;            <span class="keywordflow">if</span> (a_ds18b20_write_byte(handle, handle-&gt;<a class="code" href="structds18b20__handle__s.html#ae3c9459b1dbf0dc64f4398a7b7c12e59">rom</a>[i]) != 0)              <span class="comment">/* send rom */</span></div>
<div class="line"><a name="l01217"></a><span class="lineno"> 1217</span>&#160;            {</div>
<div class="line"><a name="l01218"></a><span class="lineno"> 1218</span>&#160;                handle-&gt;<a class="code" href="structds18b20__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ds18b20: write command failed.\n&quot;</span>);        <span class="comment">/* write command failed */</span></div>
<div class="line"><a name="l01219"></a><span class="lineno"> 1219</span>&#160;                </div>
<div class="line"><a name="l01220"></a><span class="lineno"> 1220</span>&#160;                <span class="keywordflow">return</span> 1;                                                       <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01221"></a><span class="lineno"> 1221</span>&#160;            }</div>
<div class="line"><a name="l01222"></a><span class="lineno"> 1222</span>&#160;        }</div>
<div class="line"><a name="l01223"></a><span class="lineno"> 1223</span>&#160;        <span class="keywordflow">if</span> (a_ds18b20_write_byte(handle, <a class="code" href="driver__ds18b20_8c.html#ab8ff7b9c7b59106d5c9bda3c03d56c6d">DS18B20_CMD_RECALL_EE</a>) != 0)           <span class="comment">/* sent recall ee command */</span></div>
<div class="line"><a name="l01224"></a><span class="lineno"> 1224</span>&#160;        {</div>
<div class="line"><a name="l01225"></a><span class="lineno"> 1225</span>&#160;            handle-&gt;<a class="code" href="structds18b20__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ds18b20: write command failed.\n&quot;</span>);            <span class="comment">/* write command failed */</span></div>
<div class="line"><a name="l01226"></a><span class="lineno"> 1226</span>&#160;            </div>
<div class="line"><a name="l01227"></a><span class="lineno"> 1227</span>&#160;            <span class="keywordflow">return</span> 1;                                                           <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01228"></a><span class="lineno"> 1228</span>&#160;        }</div>
<div class="line"><a name="l01229"></a><span class="lineno"> 1229</span>&#160;        </div>
<div class="line"><a name="l01230"></a><span class="lineno"> 1230</span>&#160;        <span class="keywordflow">return</span> 0;                                                               <span class="comment">/* success return 0 */</span></div>
<div class="line"><a name="l01231"></a><span class="lineno"> 1231</span>&#160;    }</div>
<div class="line"><a name="l01232"></a><span class="lineno"> 1232</span>&#160;    <span class="keywordflow">else</span></div>
<div class="line"><a name="l01233"></a><span class="lineno"> 1233</span>&#160;    {</div>
<div class="line"><a name="l01234"></a><span class="lineno"> 1234</span>&#160;        handle-&gt;<a class="code" href="structds18b20__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ds18b20: mode invalid.\n&quot;</span>);                        <span class="comment">/* ds18b20 mode is invalid */</span></div>
<div class="line"><a name="l01235"></a><span class="lineno"> 1235</span>&#160;        </div>
<div class="line"><a name="l01236"></a><span class="lineno"> 1236</span>&#160;        <span class="keywordflow">return</span> 1;                                                               <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01237"></a><span class="lineno"> 1237</span>&#160;    }</div>
<div class="line"><a name="l01238"></a><span class="lineno"> 1238</span>&#160;}</div>
<div class="line"><a name="l01239"></a><span class="lineno"> 1239</span>&#160; </div>
<div class="line"><a name="l01251"></a><span class="lineno"><a class="line" href="group__ds18b20__advance__driver.html#gad27eacce4379fb8aa528645be258b698"> 1251</a></span>&#160;uint8_t <a class="code" href="group__ds18b20__advance__driver.html#gad27eacce4379fb8aa528645be258b698">ds18b20_alarm_convert_to_register</a>(<a class="code" href="structds18b20__handle__s.html">ds18b20_handle_t</a> *handle, <span class="keywordtype">float</span> temp, int8_t *reg)</div>
<div class="line"><a name="l01252"></a><span class="lineno"> 1252</span>&#160;{</div>
<div class="line"><a name="l01253"></a><span class="lineno"> 1253</span>&#160;    <span class="keywordflow">if</span> (handle == NULL)             <span class="comment">/* check handle */</span></div>
<div class="line"><a name="l01254"></a><span class="lineno"> 1254</span>&#160;    {</div>
<div class="line"><a name="l01255"></a><span class="lineno"> 1255</span>&#160;        <span class="keywordflow">return</span> 2;                   <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01256"></a><span class="lineno"> 1256</span>&#160;    }</div>
<div class="line"><a name="l01257"></a><span class="lineno"> 1257</span>&#160;    <span class="keywordflow">if</span> (handle-&gt;<a class="code" href="structds18b20__handle__s.html#a19bedf28d2b9748f6a62d9ae93f4e68f">inited</a> != 1)        <span class="comment">/* check handle initialization */</span></div>
<div class="line"><a name="l01258"></a><span class="lineno"> 1258</span>&#160;    {</div>
<div class="line"><a name="l01259"></a><span class="lineno"> 1259</span>&#160;        <span class="keywordflow">return</span> 3;                   <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01260"></a><span class="lineno"> 1260</span>&#160;    }</div>
<div class="line"><a name="l01261"></a><span class="lineno"> 1261</span>&#160;    </div>
<div class="line"><a name="l01262"></a><span class="lineno"> 1262</span>&#160;    *reg = (int8_t)(temp);          <span class="comment">/* convert real data to register data */</span></div>
<div class="line"><a name="l01263"></a><span class="lineno"> 1263</span>&#160;    </div>
<div class="line"><a name="l01264"></a><span class="lineno"> 1264</span>&#160;    <span class="keywordflow">return</span> 0;                       <span class="comment">/* success return 0 */</span></div>
<div class="line"><a name="l01265"></a><span class="lineno"> 1265</span>&#160;}</div>
<div class="line"><a name="l01266"></a><span class="lineno"> 1266</span>&#160; </div>
<div class="line"><a name="l01278"></a><span class="lineno"><a class="line" href="group__ds18b20__advance__driver.html#ga11bfd128f97051bc0e2775bf6dda64f5"> 1278</a></span>&#160;uint8_t <a class="code" href="group__ds18b20__advance__driver.html#ga11bfd128f97051bc0e2775bf6dda64f5">ds18b20_alarm_convert_to_data</a>(<a class="code" href="structds18b20__handle__s.html">ds18b20_handle_t</a> *handle, int8_t reg, <span class="keywordtype">float</span> *temp)</div>
<div class="line"><a name="l01279"></a><span class="lineno"> 1279</span>&#160;{</div>
<div class="line"><a name="l01280"></a><span class="lineno"> 1280</span>&#160;    <span class="keywordflow">if</span> (handle == NULL)             <span class="comment">/* check handle */</span></div>
<div class="line"><a name="l01281"></a><span class="lineno"> 1281</span>&#160;    {</div>
<div class="line"><a name="l01282"></a><span class="lineno"> 1282</span>&#160;        <span class="keywordflow">return</span> 2;                   <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01283"></a><span class="lineno"> 1283</span>&#160;    }</div>
<div class="line"><a name="l01284"></a><span class="lineno"> 1284</span>&#160;    <span class="keywordflow">if</span> (handle-&gt;<a class="code" href="structds18b20__handle__s.html#a19bedf28d2b9748f6a62d9ae93f4e68f">inited</a> != 1)        <span class="comment">/* check handle initialization */</span></div>
<div class="line"><a name="l01285"></a><span class="lineno"> 1285</span>&#160;    {</div>
<div class="line"><a name="l01286"></a><span class="lineno"> 1286</span>&#160;        <span class="keywordflow">return</span> 3;                   <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01287"></a><span class="lineno"> 1287</span>&#160;    }</div>
<div class="line"><a name="l01288"></a><span class="lineno"> 1288</span>&#160;    </div>
<div class="line"><a name="l01289"></a><span class="lineno"> 1289</span>&#160;    *temp = (float)(reg);           <span class="comment">/* convert raw data to real data */</span></div>
<div class="line"><a name="l01290"></a><span class="lineno"> 1290</span>&#160;    </div>
<div class="line"><a name="l01291"></a><span class="lineno"> 1291</span>&#160;    <span class="keywordflow">return</span> 0;                       <span class="comment">/* success return 0 */</span></div>
<div class="line"><a name="l01292"></a><span class="lineno"> 1292</span>&#160;}</div>
<div class="line"><a name="l01293"></a><span class="lineno"> 1293</span>&#160; </div>
<div class="line"><a name="l01305"></a><span class="lineno"><a class="line" href="group__ds18b20__base__driver.html#ga42a0bced6314bc11b3c47f1d83bbff9a"> 1305</a></span>&#160;uint8_t <a class="code" href="group__ds18b20__base__driver.html#ga42a0bced6314bc11b3c47f1d83bbff9a">ds18b20_init</a>(<a class="code" href="structds18b20__handle__s.html">ds18b20_handle_t</a> *handle)</div>
<div class="line"><a name="l01306"></a><span class="lineno"> 1306</span>&#160;{</div>
<div class="line"><a name="l01307"></a><span class="lineno"> 1307</span>&#160;    <span class="keywordflow">if</span> (handle == NULL)                                                <span class="comment">/* check handle */</span></div>
<div class="line"><a name="l01308"></a><span class="lineno"> 1308</span>&#160;    {</div>
<div class="line"><a name="l01309"></a><span class="lineno"> 1309</span>&#160;        <span class="keywordflow">return</span> 2;                                                      <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01310"></a><span class="lineno"> 1310</span>&#160;    }</div>
<div class="line"><a name="l01311"></a><span class="lineno"> 1311</span>&#160;    <span class="keywordflow">if</span> (handle-&gt;<a class="code" href="structds18b20__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a> == NULL)                                   <span class="comment">/* check debug_print */</span></div>
<div class="line"><a name="l01312"></a><span class="lineno"> 1312</span>&#160;    {</div>
<div class="line"><a name="l01313"></a><span class="lineno"> 1313</span>&#160;        <span class="keywordflow">return</span> 3;                                                      <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01314"></a><span class="lineno"> 1314</span>&#160;    }</div>
<div class="line"><a name="l01315"></a><span class="lineno"> 1315</span>&#160;    <span class="keywordflow">if</span> (handle-&gt;<a class="code" href="structds18b20__handle__s.html#adfb6535c66ecb88edda3273848aaf54d">bus_init</a> == NULL)                                      <span class="comment">/* check bus_init */</span></div>
<div class="line"><a name="l01316"></a><span class="lineno"> 1316</span>&#160;    {</div>
<div class="line"><a name="l01317"></a><span class="lineno"> 1317</span>&#160;        handle-&gt;<a class="code" href="structds18b20__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ds18b20: bus_init is null.\n&quot;</span>);           <span class="comment">/* bus_init is null */</span></div>
<div class="line"><a name="l01318"></a><span class="lineno"> 1318</span>&#160;        </div>
<div class="line"><a name="l01319"></a><span class="lineno"> 1319</span>&#160;        <span class="keywordflow">return</span> 3;                                                      <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01320"></a><span class="lineno"> 1320</span>&#160;    }</div>
<div class="line"><a name="l01321"></a><span class="lineno"> 1321</span>&#160;    <span class="keywordflow">if</span> (handle-&gt;<a class="code" href="structds18b20__handle__s.html#a2193b7364a6c4090ba298435005b817a">bus_deinit</a> == NULL)                                    <span class="comment">/* check bus_deinit */</span></div>
<div class="line"><a name="l01322"></a><span class="lineno"> 1322</span>&#160;    {</div>
<div class="line"><a name="l01323"></a><span class="lineno"> 1323</span>&#160;        handle-&gt;<a class="code" href="structds18b20__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ds18b20: bus_deinit is null.\n&quot;</span>);         <span class="comment">/* bus_read is null */</span></div>
<div class="line"><a name="l01324"></a><span class="lineno"> 1324</span>&#160;        </div>
<div class="line"><a name="l01325"></a><span class="lineno"> 1325</span>&#160;        <span class="keywordflow">return</span> 3;                                                      <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01326"></a><span class="lineno"> 1326</span>&#160;    }</div>
<div class="line"><a name="l01327"></a><span class="lineno"> 1327</span>&#160;    <span class="keywordflow">if</span> (handle-&gt;<a class="code" href="structds18b20__handle__s.html#abe23165605a343d08776c029a60eb242">bus_read</a> == NULL)                                      <span class="comment">/* check bus_read */</span></div>
<div class="line"><a name="l01328"></a><span class="lineno"> 1328</span>&#160;    {</div>
<div class="line"><a name="l01329"></a><span class="lineno"> 1329</span>&#160;        handle-&gt;<a class="code" href="structds18b20__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ds18b20: bus_read is null.\n&quot;</span>);           <span class="comment">/* bus_read is null */</span></div>
<div class="line"><a name="l01330"></a><span class="lineno"> 1330</span>&#160;        </div>
<div class="line"><a name="l01331"></a><span class="lineno"> 1331</span>&#160;        <span class="keywordflow">return</span> 3;                                                      <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01332"></a><span class="lineno"> 1332</span>&#160;    }</div>
<div class="line"><a name="l01333"></a><span class="lineno"> 1333</span>&#160;    <span class="keywordflow">if</span> (handle-&gt;<a class="code" href="structds18b20__handle__s.html#abfcb2d495a2e0ec23a7c710c62a95c5b">bus_write</a> == NULL)                                     <span class="comment">/* check bus_write */</span></div>
<div class="line"><a name="l01334"></a><span class="lineno"> 1334</span>&#160;    {</div>
<div class="line"><a name="l01335"></a><span class="lineno"> 1335</span>&#160;        handle-&gt;<a class="code" href="structds18b20__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ds18b20: bus_write is null.\n&quot;</span>);          <span class="comment">/* bus_write is null */</span></div>
<div class="line"><a name="l01336"></a><span class="lineno"> 1336</span>&#160;        </div>
<div class="line"><a name="l01337"></a><span class="lineno"> 1337</span>&#160;        <span class="keywordflow">return</span> 3;                                                      <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01338"></a><span class="lineno"> 1338</span>&#160;    }</div>
<div class="line"><a name="l01339"></a><span class="lineno"> 1339</span>&#160;    <span class="keywordflow">if</span> (handle-&gt;<a class="code" href="structds18b20__handle__s.html#a406c9433252b7366de417b7a60915c81">delay_ms</a> == NULL)                                      <span class="comment">/* check delay_ms */</span></div>
<div class="line"><a name="l01340"></a><span class="lineno"> 1340</span>&#160;    {</div>
<div class="line"><a name="l01341"></a><span class="lineno"> 1341</span>&#160;        handle-&gt;<a class="code" href="structds18b20__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ds18b20: delay_ms is null.\n&quot;</span>);           <span class="comment">/* delay_ms is null */</span></div>
<div class="line"><a name="l01342"></a><span class="lineno"> 1342</span>&#160;        </div>
<div class="line"><a name="l01343"></a><span class="lineno"> 1343</span>&#160;        <span class="keywordflow">return</span> 3;                                                      <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01344"></a><span class="lineno"> 1344</span>&#160;    }</div>
<div class="line"><a name="l01345"></a><span class="lineno"> 1345</span>&#160;    <span class="keywordflow">if</span> (handle-&gt;<a class="code" href="structds18b20__handle__s.html#a97ffc4fce945527bd6ab25a3596caef7">delay_us</a> == NULL)                                      <span class="comment">/* check delay_us */</span></div>
<div class="line"><a name="l01346"></a><span class="lineno"> 1346</span>&#160;    {</div>
<div class="line"><a name="l01347"></a><span class="lineno"> 1347</span>&#160;        handle-&gt;<a class="code" href="structds18b20__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ds18b20: delay_us is null.\n&quot;</span>);           <span class="comment">/* delay_us is null */</span></div>
<div class="line"><a name="l01348"></a><span class="lineno"> 1348</span>&#160;       </div>
<div class="line"><a name="l01349"></a><span class="lineno"> 1349</span>&#160;        <span class="keywordflow">return</span> 3;                                                      <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01350"></a><span class="lineno"> 1350</span>&#160;    }</div>
<div class="line"><a name="l01351"></a><span class="lineno"> 1351</span>&#160;    <span class="keywordflow">if</span> (handle-&gt;<a class="code" href="structds18b20__handle__s.html#a06c0ed41fc67fd360798b30e8ce1d480">enable_irq</a> == NULL)                                    <span class="comment">/* check enable_irq */</span></div>
<div class="line"><a name="l01352"></a><span class="lineno"> 1352</span>&#160;    {</div>
<div class="line"><a name="l01353"></a><span class="lineno"> 1353</span>&#160;        handle-&gt;<a class="code" href="structds18b20__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ds18b20: enable_irq is null.\n&quot;</span>);         <span class="comment">/* enable_irq is null */</span></div>
<div class="line"><a name="l01354"></a><span class="lineno"> 1354</span>&#160;        </div>
<div class="line"><a name="l01355"></a><span class="lineno"> 1355</span>&#160;        <span class="keywordflow">return</span> 3;                                                      <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01356"></a><span class="lineno"> 1356</span>&#160;    }</div>
<div class="line"><a name="l01357"></a><span class="lineno"> 1357</span>&#160;    <span class="keywordflow">if</span> (handle-&gt;<a class="code" href="structds18b20__handle__s.html#aac09376076eae94d89ca85ff63018eee">disable_irq</a> == NULL)                                   <span class="comment">/* check disable_irq */</span></div>
<div class="line"><a name="l01358"></a><span class="lineno"> 1358</span>&#160;    {</div>
<div class="line"><a name="l01359"></a><span class="lineno"> 1359</span>&#160;        handle-&gt;<a class="code" href="structds18b20__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ds18b20: disable_irq is null.\n&quot;</span>);        <span class="comment">/* disable_irq is null */</span></div>
<div class="line"><a name="l01360"></a><span class="lineno"> 1360</span>&#160;        </div>
<div class="line"><a name="l01361"></a><span class="lineno"> 1361</span>&#160;        <span class="keywordflow">return</span> 3;                                                      <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01362"></a><span class="lineno"> 1362</span>&#160;    }</div>
<div class="line"><a name="l01363"></a><span class="lineno"> 1363</span>&#160;    </div>
<div class="line"><a name="l01364"></a><span class="lineno"> 1364</span>&#160;    <span class="keywordflow">if</span> (handle-&gt;<a class="code" href="structds18b20__handle__s.html#adfb6535c66ecb88edda3273848aaf54d">bus_init</a>() != 0)                                       <span class="comment">/* initialize bus */</span></div>
<div class="line"><a name="l01365"></a><span class="lineno"> 1365</span>&#160;    {</div>
<div class="line"><a name="l01366"></a><span class="lineno"> 1366</span>&#160;        handle-&gt;<a class="code" href="structds18b20__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ds18b20: bus init failed.\n&quot;</span>);            <span class="comment">/* bus innit failed */</span></div>
<div class="line"><a name="l01367"></a><span class="lineno"> 1367</span>&#160;        </div>
<div class="line"><a name="l01368"></a><span class="lineno"> 1368</span>&#160;        <span class="keywordflow">return</span> 1;                                                      <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01369"></a><span class="lineno"> 1369</span>&#160;    }</div>
<div class="line"><a name="l01370"></a><span class="lineno"> 1370</span>&#160;    <span class="keywordflow">if</span> (a_ds18b20_reset(handle) != 0)                                  <span class="comment">/* reset chip */</span></div>
<div class="line"><a name="l01371"></a><span class="lineno"> 1371</span>&#160;    {</div>
<div class="line"><a name="l01372"></a><span class="lineno"> 1372</span>&#160;        handle-&gt;<a class="code" href="structds18b20__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ds18b20: reset failed.\n&quot;</span>);               <span class="comment">/* reset chip failed */</span></div>
<div class="line"><a name="l01373"></a><span class="lineno"> 1373</span>&#160;        (void)handle-&gt;<a class="code" href="structds18b20__handle__s.html#a2193b7364a6c4090ba298435005b817a">bus_deinit</a>();                                    <span class="comment">/* close bus */</span></div>
<div class="line"><a name="l01374"></a><span class="lineno"> 1374</span>&#160;        </div>
<div class="line"><a name="l01375"></a><span class="lineno"> 1375</span>&#160;        <span class="keywordflow">return</span> 4;                                                      <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01376"></a><span class="lineno"> 1376</span>&#160;    }</div>
<div class="line"><a name="l01377"></a><span class="lineno"> 1377</span>&#160;    handle-&gt;<a class="code" href="structds18b20__handle__s.html#a19bedf28d2b9748f6a62d9ae93f4e68f">inited</a> = 1;                                                <span class="comment">/* flag finish initialization */</span></div>
<div class="line"><a name="l01378"></a><span class="lineno"> 1378</span>&#160;    </div>
<div class="line"><a name="l01379"></a><span class="lineno"> 1379</span>&#160;    <span class="keywordflow">return</span> 0;                                                          <span class="comment">/* success return 0 */</span></div>
<div class="line"><a name="l01380"></a><span class="lineno"> 1380</span>&#160;}</div>
<div class="line"><a name="l01381"></a><span class="lineno"> 1381</span>&#160; </div>
<div class="line"><a name="l01392"></a><span class="lineno"><a class="line" href="group__ds18b20__base__driver.html#gaa7b94675deaafbe00917e7e232278c77"> 1392</a></span>&#160;uint8_t <a class="code" href="group__ds18b20__base__driver.html#gaa7b94675deaafbe00917e7e232278c77">ds18b20_deinit</a>(<a class="code" href="structds18b20__handle__s.html">ds18b20_handle_t</a> *handle)</div>
<div class="line"><a name="l01393"></a><span class="lineno"> 1393</span>&#160;{</div>
<div class="line"><a name="l01394"></a><span class="lineno"> 1394</span>&#160;    <span class="keywordflow">if</span> (handle == NULL)                                          <span class="comment">/* check handle */</span></div>
<div class="line"><a name="l01395"></a><span class="lineno"> 1395</span>&#160;    {</div>
<div class="line"><a name="l01396"></a><span class="lineno"> 1396</span>&#160;        <span class="keywordflow">return</span> 2;                                                <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01397"></a><span class="lineno"> 1397</span>&#160;    }</div>
<div class="line"><a name="l01398"></a><span class="lineno"> 1398</span>&#160;    <span class="keywordflow">if</span> (handle-&gt;<a class="code" href="structds18b20__handle__s.html#a19bedf28d2b9748f6a62d9ae93f4e68f">inited</a> != 1)                                     <span class="comment">/* check handle initialization */</span></div>
<div class="line"><a name="l01399"></a><span class="lineno"> 1399</span>&#160;    {</div>
<div class="line"><a name="l01400"></a><span class="lineno"> 1400</span>&#160;        <span class="keywordflow">return</span> 3;                                                <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01401"></a><span class="lineno"> 1401</span>&#160;    }</div>
<div class="line"><a name="l01402"></a><span class="lineno"> 1402</span>&#160;    </div>
<div class="line"><a name="l01403"></a><span class="lineno"> 1403</span>&#160;    <span class="keywordflow">if</span> (handle-&gt;<a class="code" href="structds18b20__handle__s.html#a2193b7364a6c4090ba298435005b817a">bus_deinit</a>() != 0)                               <span class="comment">/* close bus */</span></div>
<div class="line"><a name="l01404"></a><span class="lineno"> 1404</span>&#160;    {</div>
<div class="line"><a name="l01405"></a><span class="lineno"> 1405</span>&#160;        handle-&gt;<a class="code" href="structds18b20__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ds18b20: deinit failed.\n&quot;</span>);        <span class="comment">/* deinit failed */</span></div>
<div class="line"><a name="l01406"></a><span class="lineno"> 1406</span>&#160;        </div>
<div class="line"><a name="l01407"></a><span class="lineno"> 1407</span>&#160;        <span class="keywordflow">return</span> 1;                                                <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01408"></a><span class="lineno"> 1408</span>&#160;    }   </div>
<div class="line"><a name="l01409"></a><span class="lineno"> 1409</span>&#160;    handle-&gt;<a class="code" href="structds18b20__handle__s.html#a19bedf28d2b9748f6a62d9ae93f4e68f">inited</a> = 0;                                          <span class="comment">/* flag close */</span></div>
<div class="line"><a name="l01410"></a><span class="lineno"> 1410</span>&#160;    </div>
<div class="line"><a name="l01411"></a><span class="lineno"> 1411</span>&#160;    <span class="keywordflow">return</span> 0;                                                    <span class="comment">/* success return 0 */</span></div>
<div class="line"><a name="l01412"></a><span class="lineno"> 1412</span>&#160;}</div>
<div class="line"><a name="l01413"></a><span class="lineno"> 1413</span>&#160; </div>
<div class="line"><a name="l01426"></a><span class="lineno"><a class="line" href="group__ds18b20__base__driver.html#ga7b55e1d3f3ba9ca53c3a78c1d8d221b4"> 1426</a></span>&#160;uint8_t <a class="code" href="group__ds18b20__base__driver.html#ga7b55e1d3f3ba9ca53c3a78c1d8d221b4">ds18b20_read</a>(<a class="code" href="structds18b20__handle__s.html">ds18b20_handle_t</a> *handle, int16_t *raw, <span class="keywordtype">float</span> *temp)</div>
<div class="line"><a name="l01427"></a><span class="lineno"> 1427</span>&#160;{</div>
<div class="line"><a name="l01428"></a><span class="lineno"> 1428</span>&#160;    uint8_t i, buf[9];</div>
<div class="line"><a name="l01429"></a><span class="lineno"> 1429</span>&#160;    uint8_t res;</div>
<div class="line"><a name="l01430"></a><span class="lineno"> 1430</span>&#160;    uint32_t cnt;</div>
<div class="line"><a name="l01431"></a><span class="lineno"> 1431</span>&#160;    </div>
<div class="line"><a name="l01432"></a><span class="lineno"> 1432</span>&#160;    <span class="keywordflow">if</span> (handle == NULL)                                                         <span class="comment">/* check handle */</span></div>
<div class="line"><a name="l01433"></a><span class="lineno"> 1433</span>&#160;    {</div>
<div class="line"><a name="l01434"></a><span class="lineno"> 1434</span>&#160;        <span class="keywordflow">return</span> 2;                                                               <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01435"></a><span class="lineno"> 1435</span>&#160;    }</div>
<div class="line"><a name="l01436"></a><span class="lineno"> 1436</span>&#160;    <span class="keywordflow">if</span> (handle-&gt;<a class="code" href="structds18b20__handle__s.html#a19bedf28d2b9748f6a62d9ae93f4e68f">inited</a> != 1)                                                    <span class="comment">/* check handle initialization */</span></div>
<div class="line"><a name="l01437"></a><span class="lineno"> 1437</span>&#160;    {</div>
<div class="line"><a name="l01438"></a><span class="lineno"> 1438</span>&#160;        <span class="keywordflow">return</span> 3;                                                               <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01439"></a><span class="lineno"> 1439</span>&#160;    }</div>
<div class="line"><a name="l01440"></a><span class="lineno"> 1440</span>&#160;    </div>
<div class="line"><a name="l01441"></a><span class="lineno"> 1441</span>&#160;    <span class="keywordflow">if</span> (handle-&gt;<a class="code" href="structds18b20__handle__s.html#a37e90f5e3bd99fac2021fb3a326607d4">mode</a> == <a class="code" href="group__ds18b20__base__driver.html#ggaa76e51e2201d4058f4274ca420c165f6a2240dc3e5f913d272861b29b87e06942">DS18B20_MODE_SKIP_ROM</a>)                                  <span class="comment">/* if use skip rom mode */</span></div>
<div class="line"><a name="l01442"></a><span class="lineno"> 1442</span>&#160;    {</div>
<div class="line"><a name="l01443"></a><span class="lineno"> 1443</span>&#160;        <span class="keywordflow">if</span> (a_ds18b20_reset(handle) != 0)                                       <span class="comment">/* reset bus */</span></div>
<div class="line"><a name="l01444"></a><span class="lineno"> 1444</span>&#160;        {</div>
<div class="line"><a name="l01445"></a><span class="lineno"> 1445</span>&#160;            handle-&gt;<a class="code" href="structds18b20__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ds18b20: bus reset failed.\n&quot;</span>);                <span class="comment">/* bus reset failed */</span></div>
<div class="line"><a name="l01446"></a><span class="lineno"> 1446</span>&#160;            </div>
<div class="line"><a name="l01447"></a><span class="lineno"> 1447</span>&#160;            <span class="keywordflow">return</span> 1;                                                           <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01448"></a><span class="lineno"> 1448</span>&#160;        }</div>
<div class="line"><a name="l01449"></a><span class="lineno"> 1449</span>&#160;        <span class="keywordflow">if</span> (a_ds18b20_write_byte(handle, <a class="code" href="driver__ds18b20_8c.html#a608ba051f40d5b9e54f8ebc016dc1514">DS18B20_CMD_SKIP_ROM</a>) != 0)            <span class="comment">/* sent skip rom command */</span></div>
<div class="line"><a name="l01450"></a><span class="lineno"> 1450</span>&#160;        {</div>
<div class="line"><a name="l01451"></a><span class="lineno"> 1451</span>&#160;            handle-&gt;<a class="code" href="structds18b20__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ds18b20: write command failed.\n&quot;</span>);            <span class="comment">/* write command failed */</span></div>
<div class="line"><a name="l01452"></a><span class="lineno"> 1452</span>&#160;            </div>
<div class="line"><a name="l01453"></a><span class="lineno"> 1453</span>&#160;            <span class="keywordflow">return</span> 1;                                                           <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01454"></a><span class="lineno"> 1454</span>&#160;        }</div>
<div class="line"><a name="l01455"></a><span class="lineno"> 1455</span>&#160;        <span class="keywordflow">if</span> (a_ds18b20_write_byte(handle, <a class="code" href="driver__ds18b20_8c.html#ac2a9d81efb3ef7b921377c116e41a3f8">DS18B20_CMD_CONVERT_T</a>) != 0)           <span class="comment">/* sent convert temp command */</span></div>
<div class="line"><a name="l01456"></a><span class="lineno"> 1456</span>&#160;        {</div>
<div class="line"><a name="l01457"></a><span class="lineno"> 1457</span>&#160;            handle-&gt;<a class="code" href="structds18b20__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ds18b20: write command failed.\n&quot;</span>);            <span class="comment">/* write command failed */</span></div>
<div class="line"><a name="l01458"></a><span class="lineno"> 1458</span>&#160;            </div>
<div class="line"><a name="l01459"></a><span class="lineno"> 1459</span>&#160;            <span class="keywordflow">return</span> 1;                                                           <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01460"></a><span class="lineno"> 1460</span>&#160;        }</div>
<div class="line"><a name="l01461"></a><span class="lineno"> 1461</span>&#160;        cnt = 0;                                                                <span class="comment">/* reset cnt */</span></div>
<div class="line"><a name="l01462"></a><span class="lineno"> 1462</span>&#160;        res = 0;                                                                <span class="comment">/* reset res */</span></div>
<div class="line"><a name="l01463"></a><span class="lineno"> 1463</span>&#160;        <span class="keywordflow">while</span> ((res == 0) &amp;&amp; (cnt &lt; 100))                                       <span class="comment">/* wait 1 s */</span></div>
<div class="line"><a name="l01464"></a><span class="lineno"> 1464</span>&#160;        {</div>
<div class="line"><a name="l01465"></a><span class="lineno"> 1465</span>&#160;            <span class="keywordflow">if</span> (a_ds18b20_read_bit(handle, (uint8_t *)&amp;res) != 0)               <span class="comment">/* read 1 bit */</span></div>
<div class="line"><a name="l01466"></a><span class="lineno"> 1466</span>&#160;            {</div>
<div class="line"><a name="l01467"></a><span class="lineno"> 1467</span>&#160;                handle-&gt;<a class="code" href="structds18b20__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ds18b20: read bit failed.\n&quot;</span>);             <span class="comment">/* read a bit failed */</span></div>
<div class="line"><a name="l01468"></a><span class="lineno"> 1468</span>&#160;                </div>
<div class="line"><a name="l01469"></a><span class="lineno"> 1469</span>&#160;                <span class="keywordflow">return</span> 1;                                                       <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01470"></a><span class="lineno"> 1470</span>&#160;            }</div>
<div class="line"><a name="l01471"></a><span class="lineno"> 1471</span>&#160;            handle-&gt;<a class="code" href="structds18b20__handle__s.html#a406c9433252b7366de417b7a60915c81">delay_ms</a>(10);                                               <span class="comment">/* delay 10 ms */</span></div>
<div class="line"><a name="l01472"></a><span class="lineno"> 1472</span>&#160;            cnt++;                                                              <span class="comment">/* cnt++ */</span></div>
<div class="line"><a name="l01473"></a><span class="lineno"> 1473</span>&#160;        }</div>
<div class="line"><a name="l01474"></a><span class="lineno"> 1474</span>&#160;        <span class="keywordflow">if</span> (cnt &gt;= 100)                                                         <span class="comment">/* if cnt is over 100 times */</span></div>
<div class="line"><a name="l01475"></a><span class="lineno"> 1475</span>&#160;        {</div>
<div class="line"><a name="l01476"></a><span class="lineno"> 1476</span>&#160;            handle-&gt;<a class="code" href="structds18b20__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ds18b20: bus read timeout.\n&quot;</span>);                <span class="comment">/* bus read timeout */</span></div>
<div class="line"><a name="l01477"></a><span class="lineno"> 1477</span>&#160;            </div>
<div class="line"><a name="l01478"></a><span class="lineno"> 1478</span>&#160;            <span class="keywordflow">return</span> 1;                                                           <span class="comment">/* reset error */</span></div>
<div class="line"><a name="l01479"></a><span class="lineno"> 1479</span>&#160;        }</div>
<div class="line"><a name="l01480"></a><span class="lineno"> 1480</span>&#160;        <span class="keywordflow">if</span> (a_ds18b20_reset(handle) != 0)                                       <span class="comment">/* reset bus */</span></div>
<div class="line"><a name="l01481"></a><span class="lineno"> 1481</span>&#160;        {</div>
<div class="line"><a name="l01482"></a><span class="lineno"> 1482</span>&#160;            handle-&gt;<a class="code" href="structds18b20__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ds18b20: bus reset failed.\n&quot;</span>);                <span class="comment">/* bus reset failed */</span></div>
<div class="line"><a name="l01483"></a><span class="lineno"> 1483</span>&#160;            </div>
<div class="line"><a name="l01484"></a><span class="lineno"> 1484</span>&#160;            <span class="keywordflow">return</span> 1;                                                           <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01485"></a><span class="lineno"> 1485</span>&#160;        }</div>
<div class="line"><a name="l01486"></a><span class="lineno"> 1486</span>&#160;        <span class="keywordflow">if</span> (a_ds18b20_write_byte(handle, <a class="code" href="driver__ds18b20_8c.html#a608ba051f40d5b9e54f8ebc016dc1514">DS18B20_CMD_SKIP_ROM</a>) != 0)            <span class="comment">/* send skip rom command */</span></div>
<div class="line"><a name="l01487"></a><span class="lineno"> 1487</span>&#160;        {</div>
<div class="line"><a name="l01488"></a><span class="lineno"> 1488</span>&#160;            handle-&gt;<a class="code" href="structds18b20__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ds18b20: write command failed.\n&quot;</span>);            <span class="comment">/* write command */</span></div>
<div class="line"><a name="l01489"></a><span class="lineno"> 1489</span>&#160;            </div>
<div class="line"><a name="l01490"></a><span class="lineno"> 1490</span>&#160;            <span class="keywordflow">return</span> 1;                                                           <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01491"></a><span class="lineno"> 1491</span>&#160;        }</div>
<div class="line"><a name="l01492"></a><span class="lineno"> 1492</span>&#160;        <span class="keywordflow">if</span> (a_ds18b20_write_byte(handle, <a class="code" href="driver__ds18b20_8c.html#a3734ec2848db33401ad3246798e474a7">DS18B20_CMD_READ_SCRATCHPAD</a>) != 0)     <span class="comment">/* write read scratchpad command */</span></div>
<div class="line"><a name="l01493"></a><span class="lineno"> 1493</span>&#160;        {</div>
<div class="line"><a name="l01494"></a><span class="lineno"> 1494</span>&#160;            handle-&gt;<a class="code" href="structds18b20__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ds18b20: write command failed.\n&quot;</span>);            <span class="comment">/* write command failed */</span></div>
<div class="line"><a name="l01495"></a><span class="lineno"> 1495</span>&#160;            </div>
<div class="line"><a name="l01496"></a><span class="lineno"> 1496</span>&#160;            <span class="keywordflow">return</span> 1;                                                           <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01497"></a><span class="lineno"> 1497</span>&#160;        }</div>
<div class="line"><a name="l01498"></a><span class="lineno"> 1498</span>&#160;        <span class="keywordflow">for</span> (i = 0; i &lt; 9; i++)                                                 <span class="comment">/* read 9 bytes */</span></div>
<div class="line"><a name="l01499"></a><span class="lineno"> 1499</span>&#160;        {</div>
<div class="line"><a name="l01500"></a><span class="lineno"> 1500</span>&#160;            <span class="keywordflow">if</span> (a_ds18b20_read_byte(handle, (uint8_t *)&amp;buf[i]) != 0)           <span class="comment">/* read bytes */</span></div>
<div class="line"><a name="l01501"></a><span class="lineno"> 1501</span>&#160;            {</div>
<div class="line"><a name="l01502"></a><span class="lineno"> 1502</span>&#160;                handle-&gt;<a class="code" href="structds18b20__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ds18b20: read byte failed.\n&quot;</span>);            <span class="comment">/* read byte failed */</span></div>
<div class="line"><a name="l01503"></a><span class="lineno"> 1503</span>&#160;                </div>
<div class="line"><a name="l01504"></a><span class="lineno"> 1504</span>&#160;                <span class="keywordflow">return</span> 1;                                                       <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01505"></a><span class="lineno"> 1505</span>&#160;            }</div>
<div class="line"><a name="l01506"></a><span class="lineno"> 1506</span>&#160;        }</div>
<div class="line"><a name="l01507"></a><span class="lineno"> 1507</span>&#160;        <span class="keywordflow">if</span> (a_ds18b20_check_crc((uint8_t *)buf, 8, buf[8]) != 0)                <span class="comment">/* check crc */</span></div>
<div class="line"><a name="l01508"></a><span class="lineno"> 1508</span>&#160;        {</div>
<div class="line"><a name="l01509"></a><span class="lineno"> 1509</span>&#160;            handle-&gt;<a class="code" href="structds18b20__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ds18b20: crc check error.\n&quot;</span>);                 <span class="comment">/* crc check failed */</span></div>
<div class="line"><a name="l01510"></a><span class="lineno"> 1510</span>&#160;            </div>
<div class="line"><a name="l01511"></a><span class="lineno"> 1511</span>&#160;            <span class="keywordflow">return</span> 1;                                                           <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01512"></a><span class="lineno"> 1512</span>&#160;        }</div>
<div class="line"><a name="l01513"></a><span class="lineno"> 1513</span>&#160;        *raw = (int16_t)(((uint16_t)buf[1]) &lt;&lt; 8) | buf[0];                     <span class="comment">/* get raw data */</span></div>
<div class="line"><a name="l01514"></a><span class="lineno"> 1514</span>&#160;        <span class="keywordflow">if</span> (((buf[4] &gt;&gt; 5) &amp; 0x03) == <a class="code" href="group__ds18b20__base__driver.html#gga6a1cab097fcad68347f07f97e1bb2af8a5333ef2c5e5ec44213bf3f40bd9aa50b">DS18B20_RESOLUTION_9BIT</a>)                  <span class="comment">/* if 9 bit resolution */</span></div>
<div class="line"><a name="l01515"></a><span class="lineno"> 1515</span>&#160;        {</div>
<div class="line"><a name="l01516"></a><span class="lineno"> 1516</span>&#160;            <span class="keywordflow">if</span> ((((uint16_t)(*raw)) &amp; (1 &lt;&lt; 15)) != 0)                          <span class="comment">/* if negative */</span></div>
<div class="line"><a name="l01517"></a><span class="lineno"> 1517</span>&#160;            {</div>
<div class="line"><a name="l01518"></a><span class="lineno"> 1518</span>&#160;                *raw = (*raw ) &gt;&gt; 3;                                            <span class="comment">/* right shift 3 */</span></div>
<div class="line"><a name="l01519"></a><span class="lineno"> 1519</span>&#160;                *raw = (*raw) | 0xE000U;                                        <span class="comment">/* set negative part */</span></div>
<div class="line"><a name="l01520"></a><span class="lineno"> 1520</span>&#160;            }</div>
<div class="line"><a name="l01521"></a><span class="lineno"> 1521</span>&#160;            <span class="keywordflow">else</span>                                                                <span class="comment">/* if positive */</span></div>
<div class="line"><a name="l01522"></a><span class="lineno"> 1522</span>&#160;            {</div>
<div class="line"><a name="l01523"></a><span class="lineno"> 1523</span>&#160;                *raw = (*raw ) &gt;&gt; 3;                                            <span class="comment">/* right shift 3 */</span></div>
<div class="line"><a name="l01524"></a><span class="lineno"> 1524</span>&#160;            }</div>
<div class="line"><a name="l01525"></a><span class="lineno"> 1525</span>&#160;            *temp = (float)(*raw) * 0.5f;                                       <span class="comment">/* convert to real data */</span></div>
<div class="line"><a name="l01526"></a><span class="lineno"> 1526</span>&#160;        }</div>
<div class="line"><a name="l01527"></a><span class="lineno"> 1527</span>&#160;        <span class="keywordflow">else</span> <span class="keywordflow">if</span> (((buf[4] &gt;&gt; 5) &amp; 0x03) == <a class="code" href="group__ds18b20__base__driver.html#gga6a1cab097fcad68347f07f97e1bb2af8a6274d477f2d9d92a62050c3375c361a0">DS18B20_RESOLUTION_10BIT</a>)            <span class="comment">/* if 10 bit resolution */</span></div>
<div class="line"><a name="l01528"></a><span class="lineno"> 1528</span>&#160;        {</div>
<div class="line"><a name="l01529"></a><span class="lineno"> 1529</span>&#160;            <span class="keywordflow">if</span> ((((uint16_t)(*raw)) &amp; (1 &lt;&lt; 15)) != 0)                          <span class="comment">/* if negative */</span></div>
<div class="line"><a name="l01530"></a><span class="lineno"> 1530</span>&#160;            {</div>
<div class="line"><a name="l01531"></a><span class="lineno"> 1531</span>&#160;                *raw = (*raw ) &gt;&gt; 2;                                            <span class="comment">/* right shift 2 */</span></div>
<div class="line"><a name="l01532"></a><span class="lineno"> 1532</span>&#160;                *raw = (*raw) | 0xC000U;                                        <span class="comment">/* set negative part */</span></div>
<div class="line"><a name="l01533"></a><span class="lineno"> 1533</span>&#160;            }</div>
<div class="line"><a name="l01534"></a><span class="lineno"> 1534</span>&#160;            <span class="keywordflow">else</span></div>
<div class="line"><a name="l01535"></a><span class="lineno"> 1535</span>&#160;            {</div>
<div class="line"><a name="l01536"></a><span class="lineno"> 1536</span>&#160;                *raw = (*raw ) &gt;&gt; 2;                                            <span class="comment">/* right shift 2 */</span></div>
<div class="line"><a name="l01537"></a><span class="lineno"> 1537</span>&#160;            }</div>
<div class="line"><a name="l01538"></a><span class="lineno"> 1538</span>&#160;            *temp = (float)(*raw) * 0.25f;                                      <span class="comment">/* convert to real data */</span></div>
<div class="line"><a name="l01539"></a><span class="lineno"> 1539</span>&#160;        }</div>
<div class="line"><a name="l01540"></a><span class="lineno"> 1540</span>&#160;        <span class="keywordflow">else</span> <span class="keywordflow">if</span> (((buf[4] &gt;&gt; 5) &amp; 0x03) == <a class="code" href="group__ds18b20__base__driver.html#gga6a1cab097fcad68347f07f97e1bb2af8a0396bfa58a01fdd9922771715e1467f6">DS18B20_RESOLUTION_11BIT</a>)            <span class="comment">/* if 11 bit resolution */</span></div>
<div class="line"><a name="l01541"></a><span class="lineno"> 1541</span>&#160;        {</div>
<div class="line"><a name="l01542"></a><span class="lineno"> 1542</span>&#160;            <span class="keywordflow">if</span> ((((uint16_t)(*raw)) &amp; (1 &lt;&lt; 15)) != 0)                          <span class="comment">/* if negative */</span></div>
<div class="line"><a name="l01543"></a><span class="lineno"> 1543</span>&#160;            {</div>
<div class="line"><a name="l01544"></a><span class="lineno"> 1544</span>&#160;                *raw = (*raw ) &gt;&gt; 1;                                            <span class="comment">/* right shift 1 */</span></div>
<div class="line"><a name="l01545"></a><span class="lineno"> 1545</span>&#160;                *raw = (*raw) | 0x8000U;                                        <span class="comment">/* set negative part */</span></div>
<div class="line"><a name="l01546"></a><span class="lineno"> 1546</span>&#160;            }</div>
<div class="line"><a name="l01547"></a><span class="lineno"> 1547</span>&#160;            <span class="keywordflow">else</span></div>
<div class="line"><a name="l01548"></a><span class="lineno"> 1548</span>&#160;            {</div>
<div class="line"><a name="l01549"></a><span class="lineno"> 1549</span>&#160;                *raw = (*raw ) &gt;&gt; 1;                                            <span class="comment">/* right shift 1 */</span></div>
<div class="line"><a name="l01550"></a><span class="lineno"> 1550</span>&#160;            }</div>
<div class="line"><a name="l01551"></a><span class="lineno"> 1551</span>&#160;            *temp = (float)(*raw) * 0.125f;                                     <span class="comment">/* convert to real data */</span></div>
<div class="line"><a name="l01552"></a><span class="lineno"> 1552</span>&#160;        }</div>
<div class="line"><a name="l01553"></a><span class="lineno"> 1553</span>&#160;        <span class="keywordflow">else</span> <span class="keywordflow">if</span> (((buf[4] &gt;&gt; 5) &amp; 0x03) == <a class="code" href="group__ds18b20__base__driver.html#gga6a1cab097fcad68347f07f97e1bb2af8af2f20b32fccc2658193d818188ae54ca">DS18B20_RESOLUTION_12BIT</a>)            <span class="comment">/* if 12 bit resolution */</span></div>
<div class="line"><a name="l01554"></a><span class="lineno"> 1554</span>&#160;        {</div>
<div class="line"><a name="l01555"></a><span class="lineno"> 1555</span>&#160;            *raw = (*raw ) &gt;&gt; 0;                                                <span class="comment">/* right shift 0 */</span></div>
<div class="line"><a name="l01556"></a><span class="lineno"> 1556</span>&#160;            *temp = (float)(*raw) * 0.0625f;                                    <span class="comment">/* convert to real data */</span></div>
<div class="line"><a name="l01557"></a><span class="lineno"> 1557</span>&#160;        }</div>
<div class="line"><a name="l01558"></a><span class="lineno"> 1558</span>&#160;        <span class="keywordflow">else</span></div>
<div class="line"><a name="l01559"></a><span class="lineno"> 1559</span>&#160;        {</div>
<div class="line"><a name="l01560"></a><span class="lineno"> 1560</span>&#160;            handle-&gt;<a class="code" href="structds18b20__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ds18b20: resolution invalid.\n&quot;</span>);              <span class="comment">/* resolution is invalid */</span></div>
<div class="line"><a name="l01561"></a><span class="lineno"> 1561</span>&#160;            </div>
<div class="line"><a name="l01562"></a><span class="lineno"> 1562</span>&#160;            <span class="keywordflow">return</span> 1;                                                           <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01563"></a><span class="lineno"> 1563</span>&#160;        }</div>
<div class="line"><a name="l01564"></a><span class="lineno"> 1564</span>&#160;        </div>
<div class="line"><a name="l01565"></a><span class="lineno"> 1565</span>&#160;        <span class="keywordflow">return</span> 0;                                                               <span class="comment">/* success return 0 */</span></div>
<div class="line"><a name="l01566"></a><span class="lineno"> 1566</span>&#160;    }</div>
<div class="line"><a name="l01567"></a><span class="lineno"> 1567</span>&#160;    <span class="keywordflow">else</span> <span class="keywordflow">if</span> (handle-&gt;<a class="code" href="structds18b20__handle__s.html#a37e90f5e3bd99fac2021fb3a326607d4">mode</a> == <a class="code" href="group__ds18b20__base__driver.html#ggaa76e51e2201d4058f4274ca420c165f6a6fefdf17cbb1204ac17187e4c6c96eeb">DS18B20_MODE_MATCH_ROM</a>)                            <span class="comment">/* if we use match rom mode */</span></div>
<div class="line"><a name="l01568"></a><span class="lineno"> 1568</span>&#160;    {</div>
<div class="line"><a name="l01569"></a><span class="lineno"> 1569</span>&#160;        <span class="keywordflow">if</span> (a_ds18b20_reset(handle) != 0)                                       <span class="comment">/* reset bus */</span></div>
<div class="line"><a name="l01570"></a><span class="lineno"> 1570</span>&#160;        {</div>
<div class="line"><a name="l01571"></a><span class="lineno"> 1571</span>&#160;            handle-&gt;<a class="code" href="structds18b20__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ds18b20: bus reset failed.\n&quot;</span>);                <span class="comment">/* reset bus failed */</span></div>
<div class="line"><a name="l01572"></a><span class="lineno"> 1572</span>&#160;        </div>
<div class="line"><a name="l01573"></a><span class="lineno"> 1573</span>&#160;            <span class="keywordflow">return</span> 1;                                                           <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01574"></a><span class="lineno"> 1574</span>&#160;        }</div>
<div class="line"><a name="l01575"></a><span class="lineno"> 1575</span>&#160;        <span class="keywordflow">if</span> (a_ds18b20_write_byte(handle, <a class="code" href="driver__ds18b20_8c.html#a6cdf02a12f71612a40dde0a265ebd75b">DS18B20_CMD_MATCH_ROM</a>) != 0)           <span class="comment">/* sent match rom command */</span></div>
<div class="line"><a name="l01576"></a><span class="lineno"> 1576</span>&#160;        {</div>
<div class="line"><a name="l01577"></a><span class="lineno"> 1577</span>&#160;            handle-&gt;<a class="code" href="structds18b20__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ds18b20: write command failed.\n&quot;</span>);            <span class="comment">/* write command failed */</span></div>
<div class="line"><a name="l01578"></a><span class="lineno"> 1578</span>&#160; </div>
<div class="line"><a name="l01579"></a><span class="lineno"> 1579</span>&#160;            <span class="keywordflow">return</span> 1;                                                           <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01580"></a><span class="lineno"> 1580</span>&#160;        }</div>
<div class="line"><a name="l01581"></a><span class="lineno"> 1581</span>&#160;        <span class="keywordflow">for</span> (i = 0; i &lt; 8; i++)</div>
<div class="line"><a name="l01582"></a><span class="lineno"> 1582</span>&#160;        {</div>
<div class="line"><a name="l01583"></a><span class="lineno"> 1583</span>&#160;            <span class="keywordflow">if</span> (a_ds18b20_write_byte(handle, handle-&gt;<a class="code" href="structds18b20__handle__s.html#ae3c9459b1dbf0dc64f4398a7b7c12e59">rom</a>[i]) != 0)              <span class="comment">/* send rom */</span></div>
<div class="line"><a name="l01584"></a><span class="lineno"> 1584</span>&#160;            {</div>
<div class="line"><a name="l01585"></a><span class="lineno"> 1585</span>&#160;                handle-&gt;<a class="code" href="structds18b20__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ds18b20: write command failed.\n&quot;</span>);        <span class="comment">/* write command failed */</span></div>
<div class="line"><a name="l01586"></a><span class="lineno"> 1586</span>&#160;                </div>
<div class="line"><a name="l01587"></a><span class="lineno"> 1587</span>&#160;                <span class="keywordflow">return</span> 1;                                                       <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01588"></a><span class="lineno"> 1588</span>&#160;            }</div>
<div class="line"><a name="l01589"></a><span class="lineno"> 1589</span>&#160;        }</div>
<div class="line"><a name="l01590"></a><span class="lineno"> 1590</span>&#160;        <span class="keywordflow">if</span> (a_ds18b20_write_byte(handle, <a class="code" href="driver__ds18b20_8c.html#ac2a9d81efb3ef7b921377c116e41a3f8">DS18B20_CMD_CONVERT_T</a>) != 0)           <span class="comment">/* sent convert temp command */</span></div>
<div class="line"><a name="l01591"></a><span class="lineno"> 1591</span>&#160;        {</div>
<div class="line"><a name="l01592"></a><span class="lineno"> 1592</span>&#160;            handle-&gt;<a class="code" href="structds18b20__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ds18b20: write command failed.\n&quot;</span>);            <span class="comment">/* write command failed */</span></div>
<div class="line"><a name="l01593"></a><span class="lineno"> 1593</span>&#160;            </div>
<div class="line"><a name="l01594"></a><span class="lineno"> 1594</span>&#160;            <span class="keywordflow">return</span> 1;                                                           <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01595"></a><span class="lineno"> 1595</span>&#160;        }</div>
<div class="line"><a name="l01596"></a><span class="lineno"> 1596</span>&#160;        cnt = 0;                                                                <span class="comment">/* reset cnt */</span></div>
<div class="line"><a name="l01597"></a><span class="lineno"> 1597</span>&#160;        res = 0;                                                                <span class="comment">/* reset res */</span></div>
<div class="line"><a name="l01598"></a><span class="lineno"> 1598</span>&#160;        <span class="keywordflow">while</span> ((res == 0) &amp;&amp; (cnt &lt; 100))                                       <span class="comment">/* read max 1s */</span></div>
<div class="line"><a name="l01599"></a><span class="lineno"> 1599</span>&#160;        {</div>
<div class="line"><a name="l01600"></a><span class="lineno"> 1600</span>&#160;            <span class="keywordflow">if</span> (a_ds18b20_read_bit(handle, (uint8_t *)&amp;res) != 0)               <span class="comment">/* read 1 bit */</span></div>
<div class="line"><a name="l01601"></a><span class="lineno"> 1601</span>&#160;            {</div>
<div class="line"><a name="l01602"></a><span class="lineno"> 1602</span>&#160;                handle-&gt;<a class="code" href="structds18b20__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ds18b20: read bit failed.\n&quot;</span>);             <span class="comment">/* read 1 bit failed */</span></div>
<div class="line"><a name="l01603"></a><span class="lineno"> 1603</span>&#160;                </div>
<div class="line"><a name="l01604"></a><span class="lineno"> 1604</span>&#160;                <span class="keywordflow">return</span> 1;                                                       <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01605"></a><span class="lineno"> 1605</span>&#160;            }</div>
<div class="line"><a name="l01606"></a><span class="lineno"> 1606</span>&#160;            handle-&gt;<a class="code" href="structds18b20__handle__s.html#a406c9433252b7366de417b7a60915c81">delay_ms</a>(10);                                               <span class="comment">/* delay 10 ms */</span></div>
<div class="line"><a name="l01607"></a><span class="lineno"> 1607</span>&#160;            cnt++;                                                              <span class="comment">/* cnt++ */</span></div>
<div class="line"><a name="l01608"></a><span class="lineno"> 1608</span>&#160;        }</div>
<div class="line"><a name="l01609"></a><span class="lineno"> 1609</span>&#160;        <span class="keywordflow">if</span> (cnt &gt;= 100)                                                         <span class="comment">/* if cnt is over 100 times */</span></div>
<div class="line"><a name="l01610"></a><span class="lineno"> 1610</span>&#160;        {</div>
<div class="line"><a name="l01611"></a><span class="lineno"> 1611</span>&#160;            handle-&gt;<a class="code" href="structds18b20__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ds18b20: bus read timeout.\n&quot;</span>);                <span class="comment">/* read timeout */</span></div>
<div class="line"><a name="l01612"></a><span class="lineno"> 1612</span>&#160;            </div>
<div class="line"><a name="l01613"></a><span class="lineno"> 1613</span>&#160;            <span class="keywordflow">return</span> 1;                                                           <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01614"></a><span class="lineno"> 1614</span>&#160;        }</div>
<div class="line"><a name="l01615"></a><span class="lineno"> 1615</span>&#160;        <span class="keywordflow">if</span> (a_ds18b20_reset(handle) != 0)                                       <span class="comment">/* reset bus */</span></div>
<div class="line"><a name="l01616"></a><span class="lineno"> 1616</span>&#160;        {</div>
<div class="line"><a name="l01617"></a><span class="lineno"> 1617</span>&#160;            handle-&gt;<a class="code" href="structds18b20__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ds18b20: bus reset failed.\n&quot;</span>);                <span class="comment">/* reset bus failed */</span></div>
<div class="line"><a name="l01618"></a><span class="lineno"> 1618</span>&#160;            </div>
<div class="line"><a name="l01619"></a><span class="lineno"> 1619</span>&#160;            <span class="keywordflow">return</span> 1;                                                           <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01620"></a><span class="lineno"> 1620</span>&#160;        }</div>
<div class="line"><a name="l01621"></a><span class="lineno"> 1621</span>&#160;        <span class="keywordflow">if</span> (a_ds18b20_write_byte(handle, <a class="code" href="driver__ds18b20_8c.html#a6cdf02a12f71612a40dde0a265ebd75b">DS18B20_CMD_MATCH_ROM</a>) != 0)           <span class="comment">/* sent match rom command */</span></div>
<div class="line"><a name="l01622"></a><span class="lineno"> 1622</span>&#160;        {</div>
<div class="line"><a name="l01623"></a><span class="lineno"> 1623</span>&#160;            handle-&gt;<a class="code" href="structds18b20__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ds18b20: write command failed.\n&quot;</span>);            <span class="comment">/* write command failed */</span></div>
<div class="line"><a name="l01624"></a><span class="lineno"> 1624</span>&#160;            </div>
<div class="line"><a name="l01625"></a><span class="lineno"> 1625</span>&#160;            <span class="keywordflow">return</span> 1;                                                           <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01626"></a><span class="lineno"> 1626</span>&#160;        }</div>
<div class="line"><a name="l01627"></a><span class="lineno"> 1627</span>&#160;        <span class="keywordflow">for</span> (i = 0; i &lt; 8; i++)</div>
<div class="line"><a name="l01628"></a><span class="lineno"> 1628</span>&#160;        {</div>
<div class="line"><a name="l01629"></a><span class="lineno"> 1629</span>&#160;            <span class="keywordflow">if</span> (a_ds18b20_write_byte(handle, handle-&gt;<a class="code" href="structds18b20__handle__s.html#ae3c9459b1dbf0dc64f4398a7b7c12e59">rom</a>[i]) != 0)              <span class="comment">/* send rom */</span></div>
<div class="line"><a name="l01630"></a><span class="lineno"> 1630</span>&#160;            {</div>
<div class="line"><a name="l01631"></a><span class="lineno"> 1631</span>&#160;                handle-&gt;<a class="code" href="structds18b20__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ds18b20: write command failed.\n&quot;</span>);        <span class="comment">/* write command failed */</span></div>
<div class="line"><a name="l01632"></a><span class="lineno"> 1632</span>&#160;                </div>
<div class="line"><a name="l01633"></a><span class="lineno"> 1633</span>&#160;                <span class="keywordflow">return</span> 1;                                                       <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01634"></a><span class="lineno"> 1634</span>&#160;            }</div>
<div class="line"><a name="l01635"></a><span class="lineno"> 1635</span>&#160;        } </div>
<div class="line"><a name="l01636"></a><span class="lineno"> 1636</span>&#160;        <span class="keywordflow">if</span> (a_ds18b20_write_byte(handle, <a class="code" href="driver__ds18b20_8c.html#a3734ec2848db33401ad3246798e474a7">DS18B20_CMD_READ_SCRATCHPAD</a>) != 0)     <span class="comment">/* send read scratchpad command */</span></div>
<div class="line"><a name="l01637"></a><span class="lineno"> 1637</span>&#160;        {</div>
<div class="line"><a name="l01638"></a><span class="lineno"> 1638</span>&#160;            handle-&gt;<a class="code" href="structds18b20__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ds18b20: write command failed.\n&quot;</span>);            <span class="comment">/* write command failed */</span></div>
<div class="line"><a name="l01639"></a><span class="lineno"> 1639</span>&#160;            </div>
<div class="line"><a name="l01640"></a><span class="lineno"> 1640</span>&#160;            <span class="keywordflow">return</span> 1;                                                           <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01641"></a><span class="lineno"> 1641</span>&#160;        }</div>
<div class="line"><a name="l01642"></a><span class="lineno"> 1642</span>&#160;        <span class="keywordflow">for</span> (i = 0; i &lt; 9; i++)                                                 <span class="comment">/* read 9 bytes */</span></div>
<div class="line"><a name="l01643"></a><span class="lineno"> 1643</span>&#160;        {</div>
<div class="line"><a name="l01644"></a><span class="lineno"> 1644</span>&#160;            <span class="keywordflow">if</span> (a_ds18b20_read_byte(handle, (uint8_t *)&amp;buf[i]) != 0)           <span class="comment">/* read byte */</span></div>
<div class="line"><a name="l01645"></a><span class="lineno"> 1645</span>&#160;            {</div>
<div class="line"><a name="l01646"></a><span class="lineno"> 1646</span>&#160;                handle-&gt;<a class="code" href="structds18b20__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ds18b20: read byte failed.\n&quot;</span>);            <span class="comment">/* read failed */</span></div>
<div class="line"><a name="l01647"></a><span class="lineno"> 1647</span>&#160;                </div>
<div class="line"><a name="l01648"></a><span class="lineno"> 1648</span>&#160;                <span class="keywordflow">return</span> 1;                                                       <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01649"></a><span class="lineno"> 1649</span>&#160;            }</div>
<div class="line"><a name="l01650"></a><span class="lineno"> 1650</span>&#160;        }</div>
<div class="line"><a name="l01651"></a><span class="lineno"> 1651</span>&#160;        <span class="keywordflow">if</span> (a_ds18b20_check_crc((uint8_t *)buf, 8, buf[8]) != 0)                <span class="comment">/* check crc */</span></div>
<div class="line"><a name="l01652"></a><span class="lineno"> 1652</span>&#160;        {</div>
<div class="line"><a name="l01653"></a><span class="lineno"> 1653</span>&#160;            handle-&gt;<a class="code" href="structds18b20__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ds18b20: crc check error.\n&quot;</span>);                 <span class="comment">/* crc check error */</span></div>
<div class="line"><a name="l01654"></a><span class="lineno"> 1654</span>&#160;            </div>
<div class="line"><a name="l01655"></a><span class="lineno"> 1655</span>&#160;            <span class="keywordflow">return</span> 1;                                                           <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01656"></a><span class="lineno"> 1656</span>&#160;        }</div>
<div class="line"><a name="l01657"></a><span class="lineno"> 1657</span>&#160;        *raw = (int16_t)(((uint16_t)buf[1]) &lt;&lt; 8) | buf[0];                     <span class="comment">/* get raw data */</span></div>
<div class="line"><a name="l01658"></a><span class="lineno"> 1658</span>&#160;        <span class="keywordflow">if</span> (((buf[4] &gt;&gt; 5) &amp; 0x03) == <a class="code" href="group__ds18b20__base__driver.html#gga6a1cab097fcad68347f07f97e1bb2af8a5333ef2c5e5ec44213bf3f40bd9aa50b">DS18B20_RESOLUTION_9BIT</a>)                  <span class="comment">/* if 9 bit resolution */</span></div>
<div class="line"><a name="l01659"></a><span class="lineno"> 1659</span>&#160;        {</div>
<div class="line"><a name="l01660"></a><span class="lineno"> 1660</span>&#160;            <span class="keywordflow">if</span> ((((uint16_t)(*raw)) &amp; (1 &lt;&lt; 15)) != 0)                          <span class="comment">/* if negative */</span></div>
<div class="line"><a name="l01661"></a><span class="lineno"> 1661</span>&#160;            {</div>
<div class="line"><a name="l01662"></a><span class="lineno"> 1662</span>&#160;                *raw = (*raw ) &gt;&gt; 3;                                            <span class="comment">/* right shift 3 */</span></div>
<div class="line"><a name="l01663"></a><span class="lineno"> 1663</span>&#160;                *raw = (*raw) | 0xE000U;                                        <span class="comment">/* set negative part */</span></div>
<div class="line"><a name="l01664"></a><span class="lineno"> 1664</span>&#160;            }</div>
<div class="line"><a name="l01665"></a><span class="lineno"> 1665</span>&#160;            <span class="keywordflow">else</span>                                                                <span class="comment">/* if positive */</span></div>
<div class="line"><a name="l01666"></a><span class="lineno"> 1666</span>&#160;            {</div>
<div class="line"><a name="l01667"></a><span class="lineno"> 1667</span>&#160;                *raw = (*raw ) &gt;&gt; 3;                                            <span class="comment">/* right shift 3 */</span></div>
<div class="line"><a name="l01668"></a><span class="lineno"> 1668</span>&#160;            }</div>
<div class="line"><a name="l01669"></a><span class="lineno"> 1669</span>&#160;            *temp = (float)(*raw) * 0.5f;                                       <span class="comment">/* convert to real data */</span></div>
<div class="line"><a name="l01670"></a><span class="lineno"> 1670</span>&#160;        }</div>
<div class="line"><a name="l01671"></a><span class="lineno"> 1671</span>&#160;        <span class="keywordflow">else</span> <span class="keywordflow">if</span> (((buf[4] &gt;&gt; 5) &amp; 0x03) == <a class="code" href="group__ds18b20__base__driver.html#gga6a1cab097fcad68347f07f97e1bb2af8a6274d477f2d9d92a62050c3375c361a0">DS18B20_RESOLUTION_10BIT</a>)            <span class="comment">/* if 10 bit resolution */</span></div>
<div class="line"><a name="l01672"></a><span class="lineno"> 1672</span>&#160;        {</div>
<div class="line"><a name="l01673"></a><span class="lineno"> 1673</span>&#160;            <span class="keywordflow">if</span> ((((uint16_t)(*raw)) &amp; (1 &lt;&lt; 15)) != 0)                          <span class="comment">/* if negative */</span></div>
<div class="line"><a name="l01674"></a><span class="lineno"> 1674</span>&#160;            {</div>
<div class="line"><a name="l01675"></a><span class="lineno"> 1675</span>&#160;                *raw = (*raw ) &gt;&gt; 2;                                            <span class="comment">/* right shift 2 */</span></div>
<div class="line"><a name="l01676"></a><span class="lineno"> 1676</span>&#160;                *raw = (*raw) | 0xC000U;                                        <span class="comment">/* set negative part */</span></div>
<div class="line"><a name="l01677"></a><span class="lineno"> 1677</span>&#160;            }</div>
<div class="line"><a name="l01678"></a><span class="lineno"> 1678</span>&#160;            <span class="keywordflow">else</span></div>
<div class="line"><a name="l01679"></a><span class="lineno"> 1679</span>&#160;            {</div>
<div class="line"><a name="l01680"></a><span class="lineno"> 1680</span>&#160;                *raw = (*raw ) &gt;&gt; 2;                                            <span class="comment">/* right shift 2 */</span></div>
<div class="line"><a name="l01681"></a><span class="lineno"> 1681</span>&#160;            }</div>
<div class="line"><a name="l01682"></a><span class="lineno"> 1682</span>&#160;            *temp = (float)(*raw) * 0.25f;                                      <span class="comment">/* convert to real data */</span></div>
<div class="line"><a name="l01683"></a><span class="lineno"> 1683</span>&#160;        }</div>
<div class="line"><a name="l01684"></a><span class="lineno"> 1684</span>&#160;        <span class="keywordflow">else</span> <span class="keywordflow">if</span> (((buf[4] &gt;&gt; 5) &amp; 0x03) == <a class="code" href="group__ds18b20__base__driver.html#gga6a1cab097fcad68347f07f97e1bb2af8a0396bfa58a01fdd9922771715e1467f6">DS18B20_RESOLUTION_11BIT</a>)            <span class="comment">/* if 11 bit resolution */</span></div>
<div class="line"><a name="l01685"></a><span class="lineno"> 1685</span>&#160;        {</div>
<div class="line"><a name="l01686"></a><span class="lineno"> 1686</span>&#160;            <span class="keywordflow">if</span> ((((uint16_t)(*raw)) &amp; (1 &lt;&lt; 15)) != 0)                          <span class="comment">/* if negative */</span></div>
<div class="line"><a name="l01687"></a><span class="lineno"> 1687</span>&#160;            {</div>
<div class="line"><a name="l01688"></a><span class="lineno"> 1688</span>&#160;                *raw = (*raw ) &gt;&gt; 1;                                            <span class="comment">/* right shift 1 */</span></div>
<div class="line"><a name="l01689"></a><span class="lineno"> 1689</span>&#160;                *raw = (*raw) | 0x8000U;                                        <span class="comment">/* set negative part */</span></div>
<div class="line"><a name="l01690"></a><span class="lineno"> 1690</span>&#160;            }</div>
<div class="line"><a name="l01691"></a><span class="lineno"> 1691</span>&#160;            <span class="keywordflow">else</span></div>
<div class="line"><a name="l01692"></a><span class="lineno"> 1692</span>&#160;            {</div>
<div class="line"><a name="l01693"></a><span class="lineno"> 1693</span>&#160;                *raw = (*raw ) &gt;&gt; 1;                                            <span class="comment">/* right shift 1 */</span></div>
<div class="line"><a name="l01694"></a><span class="lineno"> 1694</span>&#160;            }</div>
<div class="line"><a name="l01695"></a><span class="lineno"> 1695</span>&#160;            *temp = (float)(*raw) * 0.125f;                                     <span class="comment">/* convert to real data */</span></div>
<div class="line"><a name="l01696"></a><span class="lineno"> 1696</span>&#160;        }</div>
<div class="line"><a name="l01697"></a><span class="lineno"> 1697</span>&#160;        <span class="keywordflow">else</span> <span class="keywordflow">if</span> (((buf[4] &gt;&gt; 5) &amp; 0x03) == <a class="code" href="group__ds18b20__base__driver.html#gga6a1cab097fcad68347f07f97e1bb2af8af2f20b32fccc2658193d818188ae54ca">DS18B20_RESOLUTION_12BIT</a>)            <span class="comment">/* if 12 bit resolution */</span></div>
<div class="line"><a name="l01698"></a><span class="lineno"> 1698</span>&#160;        {</div>
<div class="line"><a name="l01699"></a><span class="lineno"> 1699</span>&#160;            *raw = (*raw ) &gt;&gt; 0;                                                <span class="comment">/* right shift 0 */</span></div>
<div class="line"><a name="l01700"></a><span class="lineno"> 1700</span>&#160;            *temp = (float)(*raw) * 0.0625f;                                    <span class="comment">/* convert to real data */</span></div>
<div class="line"><a name="l01701"></a><span class="lineno"> 1701</span>&#160;        }</div>
<div class="line"><a name="l01702"></a><span class="lineno"> 1702</span>&#160;        <span class="keywordflow">else</span></div>
<div class="line"><a name="l01703"></a><span class="lineno"> 1703</span>&#160;        {</div>
<div class="line"><a name="l01704"></a><span class="lineno"> 1704</span>&#160;            handle-&gt;<a class="code" href="structds18b20__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ds18b20: resolution invalid.\n&quot;</span>);              <span class="comment">/* resolution is invalid */</span></div>
<div class="line"><a name="l01705"></a><span class="lineno"> 1705</span>&#160;            </div>
<div class="line"><a name="l01706"></a><span class="lineno"> 1706</span>&#160;            <span class="keywordflow">return</span> 1;                                                           <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01707"></a><span class="lineno"> 1707</span>&#160;        }</div>
<div class="line"><a name="l01708"></a><span class="lineno"> 1708</span>&#160;        </div>
<div class="line"><a name="l01709"></a><span class="lineno"> 1709</span>&#160;        <span class="keywordflow">return</span> 0;                                                               <span class="comment">/* success return 0 */</span></div>
<div class="line"><a name="l01710"></a><span class="lineno"> 1710</span>&#160;    }</div>
<div class="line"><a name="l01711"></a><span class="lineno"> 1711</span>&#160;    <span class="keywordflow">else</span></div>
<div class="line"><a name="l01712"></a><span class="lineno"> 1712</span>&#160;    {</div>
<div class="line"><a name="l01713"></a><span class="lineno"> 1713</span>&#160;        handle-&gt;<a class="code" href="structds18b20__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ds18b20: mode invalid.\n&quot;</span>);                        <span class="comment">/* ds18b20 mode is invalid */</span></div>
<div class="line"><a name="l01714"></a><span class="lineno"> 1714</span>&#160;        </div>
<div class="line"><a name="l01715"></a><span class="lineno"> 1715</span>&#160;        <span class="keywordflow">return</span> 1;                                                               <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01716"></a><span class="lineno"> 1716</span>&#160;    }</div>
<div class="line"><a name="l01717"></a><span class="lineno"> 1717</span>&#160;}</div>
<div class="line"><a name="l01718"></a><span class="lineno"> 1718</span>&#160; </div>
<div class="line"><a name="l01728"></a><span class="lineno"> 1728</span>&#160;<span class="keyword">static</span> uint8_t a_ds18b20_read_2bit(<a class="code" href="structds18b20__handle__s.html">ds18b20_handle_t</a> *handle, uint8_t *data)    </div>
<div class="line"><a name="l01729"></a><span class="lineno"> 1729</span>&#160;{</div>
<div class="line"><a name="l01730"></a><span class="lineno"> 1730</span>&#160;    uint8_t i;</div>
<div class="line"><a name="l01731"></a><span class="lineno"> 1731</span>&#160;    uint8_t res;</div>
<div class="line"><a name="l01732"></a><span class="lineno"> 1732</span>&#160;    </div>
<div class="line"><a name="l01733"></a><span class="lineno"> 1733</span>&#160;    *data = 0;                                                          <span class="comment">/* reset data */</span></div>
<div class="line"><a name="l01734"></a><span class="lineno"> 1734</span>&#160;    handle-&gt;<a class="code" href="structds18b20__handle__s.html#aac09376076eae94d89ca85ff63018eee">disable_irq</a>();                                              <span class="comment">/* disable irq */</span></div>
<div class="line"><a name="l01735"></a><span class="lineno"> 1735</span>&#160;    <span class="keywordflow">for</span> (i = 0; i &lt; 2; i++)                                             <span class="comment">/* read 2 bit */</span></div>
<div class="line"><a name="l01736"></a><span class="lineno"> 1736</span>&#160;    {</div>
<div class="line"><a name="l01737"></a><span class="lineno"> 1737</span>&#160;        *data &lt;&lt;= 1;                                                    <span class="comment">/* left shift 1 */</span></div>
<div class="line"><a name="l01738"></a><span class="lineno"> 1738</span>&#160;        <span class="keywordflow">if</span> (a_ds18b20_read_bit(handle, (uint8_t *)&amp;res) != 0)           <span class="comment">/* read one bit */</span></div>
<div class="line"><a name="l01739"></a><span class="lineno"> 1739</span>&#160;        {</div>
<div class="line"><a name="l01740"></a><span class="lineno"> 1740</span>&#160;            handle-&gt;<a class="code" href="structds18b20__handle__s.html#a06c0ed41fc67fd360798b30e8ce1d480">enable_irq</a>();                                       <span class="comment">/* enable irq */</span></div>
<div class="line"><a name="l01741"></a><span class="lineno"> 1741</span>&#160;            handle-&gt;<a class="code" href="structds18b20__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ds18b20: read bit failed.\n&quot;</span>);         <span class="comment">/* read a bit failed */</span></div>
<div class="line"><a name="l01742"></a><span class="lineno"> 1742</span>&#160;            </div>
<div class="line"><a name="l01743"></a><span class="lineno"> 1743</span>&#160;            <span class="keywordflow">return</span> 1;                                                   <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01744"></a><span class="lineno"> 1744</span>&#160;        }</div>
<div class="line"><a name="l01745"></a><span class="lineno"> 1745</span>&#160;        *data = (*data) | res;                                          <span class="comment">/* get 1 bit */</span></div>
<div class="line"><a name="l01746"></a><span class="lineno"> 1746</span>&#160;    }</div>
<div class="line"><a name="l01747"></a><span class="lineno"> 1747</span>&#160;    handle-&gt;<a class="code" href="structds18b20__handle__s.html#a06c0ed41fc67fd360798b30e8ce1d480">enable_irq</a>();                                               <span class="comment">/* enable irq */</span></div>
<div class="line"><a name="l01748"></a><span class="lineno"> 1748</span>&#160;    </div>
<div class="line"><a name="l01749"></a><span class="lineno"> 1749</span>&#160;    <span class="keywordflow">return</span> 0;                                                           <span class="comment">/* success return 0 */</span></div>
<div class="line"><a name="l01750"></a><span class="lineno"> 1750</span>&#160;}</div>
<div class="line"><a name="l01751"></a><span class="lineno"> 1751</span>&#160; </div>
<div class="line"><a name="l01752"></a><span class="lineno"> 1752</span>&#160; </div>
<div class="line"><a name="l01762"></a><span class="lineno"> 1762</span>&#160;<span class="keyword">static</span> uint8_t a_ds18b20_write_bit(<a class="code" href="structds18b20__handle__s.html">ds18b20_handle_t</a> *handle, uint8_t bit)</div>
<div class="line"><a name="l01763"></a><span class="lineno"> 1763</span>&#160;{    </div>
<div class="line"><a name="l01764"></a><span class="lineno"> 1764</span>&#160;    handle-&gt;<a class="code" href="structds18b20__handle__s.html#aac09376076eae94d89ca85ff63018eee">disable_irq</a>();                                          <span class="comment">/* disable irq */</span></div>
<div class="line"><a name="l01765"></a><span class="lineno"> 1765</span>&#160;    <span class="keywordflow">if</span> (handle-&gt;<a class="code" href="structds18b20__handle__s.html#abfcb2d495a2e0ec23a7c710c62a95c5b">bus_write</a>(0) != 0)                                  <span class="comment">/* write 0 */</span></div>
<div class="line"><a name="l01766"></a><span class="lineno"> 1766</span>&#160;    {</div>
<div class="line"><a name="l01767"></a><span class="lineno"> 1767</span>&#160;        handle-&gt;<a class="code" href="structds18b20__handle__s.html#a06c0ed41fc67fd360798b30e8ce1d480">enable_irq</a>();                                       <span class="comment">/* enable irq */</span></div>
<div class="line"><a name="l01768"></a><span class="lineno"> 1768</span>&#160;        handle-&gt;<a class="code" href="structds18b20__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ds18b20: write bit failed.\n&quot;</span>);        <span class="comment">/* write bit failed */</span></div>
<div class="line"><a name="l01769"></a><span class="lineno"> 1769</span>&#160;        </div>
<div class="line"><a name="l01770"></a><span class="lineno"> 1770</span>&#160;        <span class="keywordflow">return</span> 1;                                                   <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01771"></a><span class="lineno"> 1771</span>&#160;    }</div>
<div class="line"><a name="l01772"></a><span class="lineno"> 1772</span>&#160;    handle-&gt;<a class="code" href="structds18b20__handle__s.html#a97ffc4fce945527bd6ab25a3596caef7">delay_us</a>(12);                                           <span class="comment">/* wait 12 us */</span></div>
<div class="line"><a name="l01773"></a><span class="lineno"> 1773</span>&#160;    <span class="keywordflow">if</span> (handle-&gt;<a class="code" href="structds18b20__handle__s.html#abfcb2d495a2e0ec23a7c710c62a95c5b">bus_write</a>(bit) != 0)                                <span class="comment">/* write bit */</span></div>
<div class="line"><a name="l01774"></a><span class="lineno"> 1774</span>&#160;    {</div>
<div class="line"><a name="l01775"></a><span class="lineno"> 1775</span>&#160;        handle-&gt;<a class="code" href="structds18b20__handle__s.html#a06c0ed41fc67fd360798b30e8ce1d480">enable_irq</a>();                                       <span class="comment">/* enable irq */</span></div>
<div class="line"><a name="l01776"></a><span class="lineno"> 1776</span>&#160;        handle-&gt;<a class="code" href="structds18b20__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ds18b20: write bit failed.\n&quot;</span>);        <span class="comment">/* write bit failed */</span></div>
<div class="line"><a name="l01777"></a><span class="lineno"> 1777</span>&#160;        </div>
<div class="line"><a name="l01778"></a><span class="lineno"> 1778</span>&#160;        <span class="keywordflow">return</span> 1;                                                   <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01779"></a><span class="lineno"> 1779</span>&#160;    } </div>
<div class="line"><a name="l01780"></a><span class="lineno"> 1780</span>&#160;    handle-&gt;<a class="code" href="structds18b20__handle__s.html#a97ffc4fce945527bd6ab25a3596caef7">delay_us</a>(30);                                           <span class="comment">/* wait 30 us */</span></div>
<div class="line"><a name="l01781"></a><span class="lineno"> 1781</span>&#160;    <span class="keywordflow">if</span> (handle-&gt;<a class="code" href="structds18b20__handle__s.html#abfcb2d495a2e0ec23a7c710c62a95c5b">bus_write</a>(1) != 0)                                  <span class="comment">/* write 1 */</span></div>
<div class="line"><a name="l01782"></a><span class="lineno"> 1782</span>&#160;    {</div>
<div class="line"><a name="l01783"></a><span class="lineno"> 1783</span>&#160;        handle-&gt;<a class="code" href="structds18b20__handle__s.html#a06c0ed41fc67fd360798b30e8ce1d480">enable_irq</a>();                                       <span class="comment">/* enable irq */</span></div>
<div class="line"><a name="l01784"></a><span class="lineno"> 1784</span>&#160;        handle-&gt;<a class="code" href="structds18b20__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ds18b20: write bit failed.\n&quot;</span>);        <span class="comment">/* write bit failed */</span></div>
<div class="line"><a name="l01785"></a><span class="lineno"> 1785</span>&#160;        </div>
<div class="line"><a name="l01786"></a><span class="lineno"> 1786</span>&#160;        <span class="keywordflow">return</span> 1;                                                   <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01787"></a><span class="lineno"> 1787</span>&#160;    }</div>
<div class="line"><a name="l01788"></a><span class="lineno"> 1788</span>&#160;    handle-&gt;<a class="code" href="structds18b20__handle__s.html#a97ffc4fce945527bd6ab25a3596caef7">delay_us</a>(5);                                            <span class="comment">/* wait 5 us */</span></div>
<div class="line"><a name="l01789"></a><span class="lineno"> 1789</span>&#160;    handle-&gt;<a class="code" href="structds18b20__handle__s.html#a06c0ed41fc67fd360798b30e8ce1d480">enable_irq</a>();                                           <span class="comment">/* enable irq */</span></div>
<div class="line"><a name="l01790"></a><span class="lineno"> 1790</span>&#160;    </div>
<div class="line"><a name="l01791"></a><span class="lineno"> 1791</span>&#160;    <span class="keywordflow">return</span> 0;                                                       <span class="comment">/* success return 0 */</span></div>
<div class="line"><a name="l01792"></a><span class="lineno"> 1792</span>&#160;}    </div>
<div class="line"><a name="l01793"></a><span class="lineno"> 1793</span>&#160; </div>
<div class="line"><a name="l01805"></a><span class="lineno"> 1805</span>&#160;<span class="keyword">static</span> uint8_t a_ds18b20_search(<a class="code" href="structds18b20__handle__s.html">ds18b20_handle_t</a> *handle, uint8_t (*pid)[8], uint8_t cmd, uint8_t *number)</div>
<div class="line"><a name="l01806"></a><span class="lineno"> 1806</span>&#160;{     </div>
<div class="line"><a name="l01807"></a><span class="lineno"> 1807</span>&#160;    uint8_t k, l = 0, conflict_bit, m, n;</div>
<div class="line"><a name="l01808"></a><span class="lineno"> 1808</span>&#160;    uint8_t buffer[<a class="code" href="group__ds18b20__advance__driver.html#ga3fe85125e859506571af01e6260cc29d">DS18B20_MAX_SEARCH_SIZE</a>];</div>
<div class="line"><a name="l01809"></a><span class="lineno"> 1809</span>&#160;    uint8_t ss[64];</div>
<div class="line"><a name="l01810"></a><span class="lineno"> 1810</span>&#160;    uint8_t s = 0;</div>
<div class="line"><a name="l01811"></a><span class="lineno"> 1811</span>&#160;    uint8_t num = 0;</div>
<div class="line"><a name="l01812"></a><span class="lineno"> 1812</span>&#160;    </div>
<div class="line"><a name="l01813"></a><span class="lineno"> 1813</span>&#160;    <span class="keywordflow">if</span> ((*number) &gt; <a class="code" href="group__ds18b20__advance__driver.html#ga3fe85125e859506571af01e6260cc29d">DS18B20_MAX_SEARCH_SIZE</a>)                                              <span class="comment">/* check number */</span></div>
<div class="line"><a name="l01814"></a><span class="lineno"> 1814</span>&#160;    {</div>
<div class="line"><a name="l01815"></a><span class="lineno"> 1815</span>&#160;        handle-&gt;<a class="code" href="structds18b20__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ds18b20: number is over DS18B20_MAX_SEARCH_SIZE.\n&quot;</span>);        <span class="comment">/* number is over */</span></div>
<div class="line"><a name="l01816"></a><span class="lineno"> 1816</span>&#160;        </div>
<div class="line"><a name="l01817"></a><span class="lineno"> 1817</span>&#160;        <span class="keywordflow">return</span> 1;                                                                         <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01818"></a><span class="lineno"> 1818</span>&#160;    }</div>
<div class="line"><a name="l01819"></a><span class="lineno"> 1819</span>&#160;    memset((uint8_t *)buffer, 0, <a class="code" href="group__ds18b20__advance__driver.html#ga3fe85125e859506571af01e6260cc29d">DS18B20_MAX_SEARCH_SIZE</a>);                                <span class="comment">/* clear buffer */</span></div>
<div class="line"><a name="l01820"></a><span class="lineno"> 1820</span>&#160;    memset((uint8_t *)ss, 0, <span class="keyword">sizeof</span>(uint8_t) * 64);                                       <span class="comment">/* clear buffer */</span></div>
<div class="line"><a name="l01821"></a><span class="lineno"> 1821</span>&#160;    <span class="keywordflow">do</span></div>
<div class="line"><a name="l01822"></a><span class="lineno"> 1822</span>&#160;    {</div>
<div class="line"><a name="l01823"></a><span class="lineno"> 1823</span>&#160;        <span class="keywordflow">if</span> (a_ds18b20_reset(handle) != 0)                                                 <span class="comment">/* reset bus */</span></div>
<div class="line"><a name="l01824"></a><span class="lineno"> 1824</span>&#160;        {</div>
<div class="line"><a name="l01825"></a><span class="lineno"> 1825</span>&#160;            handle-&gt;<a class="code" href="structds18b20__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ds18b20: reset failed.\n&quot;</span>);                              <span class="comment">/* reset bus failed */</span></div>
<div class="line"><a name="l01826"></a><span class="lineno"> 1826</span>&#160;            </div>
<div class="line"><a name="l01827"></a><span class="lineno"> 1827</span>&#160;            <span class="keywordflow">return</span> 1;                                                                     <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01828"></a><span class="lineno"> 1828</span>&#160;        }</div>
<div class="line"><a name="l01829"></a><span class="lineno"> 1829</span>&#160;        <span class="keywordflow">if</span> (a_ds18b20_write_byte(handle, cmd) != 0)                                       <span class="comment">/* write 1 byte */</span></div>
<div class="line"><a name="l01830"></a><span class="lineno"> 1830</span>&#160;        {</div>
<div class="line"><a name="l01831"></a><span class="lineno"> 1831</span>&#160;            handle-&gt;<a class="code" href="structds18b20__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ds18b20: write command failed.\n&quot;</span>);                      <span class="comment">/* write command failed */</span></div>
<div class="line"><a name="l01832"></a><span class="lineno"> 1832</span>&#160;            </div>
<div class="line"><a name="l01833"></a><span class="lineno"> 1833</span>&#160;            <span class="keywordflow">return</span> 1;                                                                     <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01834"></a><span class="lineno"> 1834</span>&#160;        }</div>
<div class="line"><a name="l01835"></a><span class="lineno"> 1835</span>&#160;        <span class="keywordflow">for</span> (m = 0; m &lt; 8; m++)                                                           <span class="comment">/* read 8 byte */</span></div>
<div class="line"><a name="l01836"></a><span class="lineno"> 1836</span>&#160;        {</div>
<div class="line"><a name="l01837"></a><span class="lineno"> 1837</span>&#160;            <span class="keywordflow">for</span> (n = 0; n &lt; 8; n++)                                                       <span class="comment">/* read 8 bit */</span></div>
<div class="line"><a name="l01838"></a><span class="lineno"> 1838</span>&#160;            {</div>
<div class="line"><a name="l01839"></a><span class="lineno"> 1839</span>&#160;                <span class="keywordflow">if</span> (a_ds18b20_read_2bit(handle, (uint8_t *)&amp;k) != 0)                      <span class="comment">/* read 2 bit */</span></div>
<div class="line"><a name="l01840"></a><span class="lineno"> 1840</span>&#160;                {</div>
<div class="line"><a name="l01841"></a><span class="lineno"> 1841</span>&#160;                    handle-&gt;<a class="code" href="structds18b20__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ds18b20: read 2bit failed.\n&quot;</span>);                  <span class="comment">/* read 2 bit failed */</span></div>
<div class="line"><a name="l01842"></a><span class="lineno"> 1842</span>&#160;                    </div>
<div class="line"><a name="l01843"></a><span class="lineno"> 1843</span>&#160;                    <span class="keywordflow">return</span> 1;                                                             <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01844"></a><span class="lineno"> 1844</span>&#160;                }</div>
<div class="line"><a name="l01845"></a><span class="lineno"> 1845</span>&#160;                k = k &amp; 0x03;                                                             <span class="comment">/* get valid bits */</span></div>
<div class="line"><a name="l01846"></a><span class="lineno"> 1846</span>&#160;                s = s &gt;&gt; 1;                                                               <span class="comment">/* right shift 1 bit */</span></div>
<div class="line"><a name="l01847"></a><span class="lineno"> 1847</span>&#160;                <span class="keywordflow">if</span> (k == 0x01)                                                            <span class="comment">/* 0000 0001 */</span></div>
<div class="line"><a name="l01848"></a><span class="lineno"> 1848</span>&#160;                {</div>
<div class="line"><a name="l01849"></a><span class="lineno"> 1849</span>&#160;                    <span class="keywordflow">if</span> (a_ds18b20_write_bit(handle, 0) != 0)                              <span class="comment">/* write 0 */</span></div>
<div class="line"><a name="l01850"></a><span class="lineno"> 1850</span>&#160;                    {</div>
<div class="line"><a name="l01851"></a><span class="lineno"> 1851</span>&#160;                        handle-&gt;<a class="code" href="structds18b20__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ds18b20: write bit failed.\n&quot;</span>);              <span class="comment">/* write bit failed */</span></div>
<div class="line"><a name="l01852"></a><span class="lineno"> 1852</span>&#160;                        </div>
<div class="line"><a name="l01853"></a><span class="lineno"> 1853</span>&#160;                        <span class="keywordflow">return</span> 1;                                                         <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01854"></a><span class="lineno"> 1854</span>&#160;                    }</div>
<div class="line"><a name="l01855"></a><span class="lineno"> 1855</span>&#160;                    ss[(m * 8 + n)] = 0;                                                  <span class="comment">/* set 0 */</span></div>
<div class="line"><a name="l01856"></a><span class="lineno"> 1856</span>&#160;                }</div>
<div class="line"><a name="l01857"></a><span class="lineno"> 1857</span>&#160;                <span class="keywordflow">else</span> <span class="keywordflow">if</span> (k == 0x02)                                                       <span class="comment">/* 0000 0010 */</span></div>
<div class="line"><a name="l01858"></a><span class="lineno"> 1858</span>&#160;                {</div>
<div class="line"><a name="l01859"></a><span class="lineno"> 1859</span>&#160;                    s = s | 0x80;                                                         <span class="comment">/* set 7 bit */</span></div>
<div class="line"><a name="l01860"></a><span class="lineno"> 1860</span>&#160;                    <span class="keywordflow">if</span> (a_ds18b20_write_bit(handle, 1) != 0)                              <span class="comment">/* write 1 */</span></div>
<div class="line"><a name="l01861"></a><span class="lineno"> 1861</span>&#160;                    {</div>
<div class="line"><a name="l01862"></a><span class="lineno"> 1862</span>&#160;                        handle-&gt;<a class="code" href="structds18b20__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ds18b20: write bit failed.\n&quot;</span>);              <span class="comment">/* write bit failed */</span></div>
<div class="line"><a name="l01863"></a><span class="lineno"> 1863</span>&#160;                        </div>
<div class="line"><a name="l01864"></a><span class="lineno"> 1864</span>&#160;                        <span class="keywordflow">return</span> 1;                                                         <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01865"></a><span class="lineno"> 1865</span>&#160;                    }</div>
<div class="line"><a name="l01866"></a><span class="lineno"> 1866</span>&#160;                    ss[(m * 8 + n)] = 1;                                                  <span class="comment">/* set 1 */</span></div>
<div class="line"><a name="l01867"></a><span class="lineno"> 1867</span>&#160;                }    </div>
<div class="line"><a name="l01868"></a><span class="lineno"> 1868</span>&#160;                <span class="keywordflow">else</span> <span class="keywordflow">if</span> (k == 0x00)                                                       <span class="comment">/* if 0000 */</span></div>
<div class="line"><a name="l01869"></a><span class="lineno"> 1869</span>&#160;                {</div>
<div class="line"><a name="l01870"></a><span class="lineno"> 1870</span>&#160;                    conflict_bit = (uint8_t)(m * 8 + n + 1);                              <span class="comment">/* flag conflict bit */</span></div>
<div class="line"><a name="l01871"></a><span class="lineno"> 1871</span>&#160;                    <span class="keywordflow">if</span> (conflict_bit &gt; buffer[l])                                         <span class="comment">/* check buffer */</span></div>
<div class="line"><a name="l01872"></a><span class="lineno"> 1872</span>&#160;                    {</div>
<div class="line"><a name="l01873"></a><span class="lineno"> 1873</span>&#160;                        <span class="keywordflow">if</span> (a_ds18b20_write_bit(handle, 0) != 0)                          <span class="comment">/* write 0 */</span></div>
<div class="line"><a name="l01874"></a><span class="lineno"> 1874</span>&#160;                        {</div>
<div class="line"><a name="l01875"></a><span class="lineno"> 1875</span>&#160;                            handle-&gt;<a class="code" href="structds18b20__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ds18b20: write bit failed.\n&quot;</span>);          <span class="comment">/* write bit failed */</span></div>
<div class="line"><a name="l01876"></a><span class="lineno"> 1876</span>&#160;                            </div>
<div class="line"><a name="l01877"></a><span class="lineno"> 1877</span>&#160;                            <span class="keywordflow">return</span> 1;                                                     <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01878"></a><span class="lineno"> 1878</span>&#160;                        }</div>
<div class="line"><a name="l01879"></a><span class="lineno"> 1879</span>&#160;                        ss[(m * 8 + n)] = 0;                                              <span class="comment">/* set 0 */</span></div>
<div class="line"><a name="l01880"></a><span class="lineno"> 1880</span>&#160;                        buffer[++l] = conflict_bit;                                       <span class="comment">/* set conflict bit */</span></div>
<div class="line"><a name="l01881"></a><span class="lineno"> 1881</span>&#160;                    }</div>
<div class="line"><a name="l01882"></a><span class="lineno"> 1882</span>&#160;                    <span class="keywordflow">else</span> <span class="keywordflow">if</span> (conflict_bit &lt; buffer[l])                                    <span class="comment">/* if &gt; buffer */</span></div>
<div class="line"><a name="l01883"></a><span class="lineno"> 1883</span>&#160;                    {</div>
<div class="line"><a name="l01884"></a><span class="lineno"> 1884</span>&#160;                        s = s|((ss[(m * 8 + n)] &amp; 0x01) &lt;&lt; 7);                            <span class="comment">/* get s */</span></div>
<div class="line"><a name="l01885"></a><span class="lineno"> 1885</span>&#160;                        <span class="keywordflow">if</span> (a_ds18b20_write_bit(handle, ss[(m*8+n)]) != 0)                <span class="comment">/* write data */</span></div>
<div class="line"><a name="l01886"></a><span class="lineno"> 1886</span>&#160;                        {</div>
<div class="line"><a name="l01887"></a><span class="lineno"> 1887</span>&#160;                            handle-&gt;<a class="code" href="structds18b20__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ds18b20: write bit failed.\n&quot;</span>);          <span class="comment">/* write bit failed */</span></div>
<div class="line"><a name="l01888"></a><span class="lineno"> 1888</span>&#160;                            </div>
<div class="line"><a name="l01889"></a><span class="lineno"> 1889</span>&#160;                            <span class="keywordflow">return</span> 1;                                                     <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01890"></a><span class="lineno"> 1890</span>&#160;                        }</div>
<div class="line"><a name="l01891"></a><span class="lineno"> 1891</span>&#160;                    }    </div>
<div class="line"><a name="l01892"></a><span class="lineno"> 1892</span>&#160;                    <span class="keywordflow">else</span> <span class="keywordflow">if</span> (conflict_bit == buffer[l])                                   <span class="comment">/* if == buffer */</span></div>
<div class="line"><a name="l01893"></a><span class="lineno"> 1893</span>&#160;                    {</div>
<div class="line"><a name="l01894"></a><span class="lineno"> 1894</span>&#160;                        s = s | 0x80;                                                     <span class="comment">/* set 7 bit */</span></div>
<div class="line"><a name="l01895"></a><span class="lineno"> 1895</span>&#160;                        <span class="keywordflow">if</span> (a_ds18b20_write_bit(handle, 1) != 0)                          <span class="comment">/* write 1 */</span></div>
<div class="line"><a name="l01896"></a><span class="lineno"> 1896</span>&#160;                        {</div>
<div class="line"><a name="l01897"></a><span class="lineno"> 1897</span>&#160;                            handle-&gt;<a class="code" href="structds18b20__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ds18b20: write bit failed.\n&quot;</span>);          <span class="comment">/* write bit failed */</span></div>
<div class="line"><a name="l01898"></a><span class="lineno"> 1898</span>&#160;                            </div>
<div class="line"><a name="l01899"></a><span class="lineno"> 1899</span>&#160;                            <span class="keywordflow">return</span> 1;                                                     <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01900"></a><span class="lineno"> 1900</span>&#160;                        }</div>
<div class="line"><a name="l01901"></a><span class="lineno"> 1901</span>&#160;                        ss[(m * 8 + n)] = 1;                                              <span class="comment">/* set 1 */</span></div>
<div class="line"><a name="l01902"></a><span class="lineno"> 1902</span>&#160;                        l = l-1;                                                          <span class="comment">/* l-- */</span></div>
<div class="line"><a name="l01903"></a><span class="lineno"> 1903</span>&#160;                    }</div>
<div class="line"><a name="l01904"></a><span class="lineno"> 1904</span>&#160;                    <span class="keywordflow">else</span></div>
<div class="line"><a name="l01905"></a><span class="lineno"> 1905</span>&#160;                    {</div>
<div class="line"><a name="l01906"></a><span class="lineno"> 1906</span>&#160;                        </div>
<div class="line"><a name="l01907"></a><span class="lineno"> 1907</span>&#160;                    }</div>
<div class="line"><a name="l01908"></a><span class="lineno"> 1908</span>&#160;                }</div>
<div class="line"><a name="l01909"></a><span class="lineno"> 1909</span>&#160;                <span class="keywordflow">else</span></div>
<div class="line"><a name="l01910"></a><span class="lineno"> 1910</span>&#160;                {</div>
<div class="line"><a name="l01911"></a><span class="lineno"> 1911</span>&#160;                    *number = num;                                                        <span class="comment">/* save num */</span></div>
<div class="line"><a name="l01912"></a><span class="lineno"> 1912</span>&#160;                    </div>
<div class="line"><a name="l01913"></a><span class="lineno"> 1913</span>&#160;                    <span class="keywordflow">return</span> 0;                                                             <span class="comment">/* success return 0 */</span></div>
<div class="line"><a name="l01914"></a><span class="lineno"> 1914</span>&#160;                }</div>
<div class="line"><a name="l01915"></a><span class="lineno"> 1915</span>&#160;                handle-&gt;<a class="code" href="structds18b20__handle__s.html#a97ffc4fce945527bd6ab25a3596caef7">delay_us</a>(5);                                                      <span class="comment">/* delay 5 us */</span></div>
<div class="line"><a name="l01916"></a><span class="lineno"> 1916</span>&#160;            }</div>
<div class="line"><a name="l01917"></a><span class="lineno"> 1917</span>&#160;            pid[num][m] = s;                                                              <span class="comment">/* save s */</span></div>
<div class="line"><a name="l01918"></a><span class="lineno"> 1918</span>&#160;            s = 0;                                                                        <span class="comment">/* reset s */</span></div>
<div class="line"><a name="l01919"></a><span class="lineno"> 1919</span>&#160;        }</div>
<div class="line"><a name="l01920"></a><span class="lineno"> 1920</span>&#160;        num++;                                                                            <span class="comment">/* num++ */</span></div>
<div class="line"><a name="l01921"></a><span class="lineno"> 1921</span>&#160;        <span class="keywordflow">if</span> (num &gt; (*number))                                                              <span class="comment">/* check num range */</span></div>
<div class="line"><a name="l01922"></a><span class="lineno"> 1922</span>&#160;        {</div>
<div class="line"><a name="l01923"></a><span class="lineno"> 1923</span>&#160;            <span class="keywordflow">break</span>;                                                                        <span class="comment">/* break */</span></div>
<div class="line"><a name="l01924"></a><span class="lineno"> 1924</span>&#160;        }</div>
<div class="line"><a name="l01925"></a><span class="lineno"> 1925</span>&#160;    } <span class="keywordflow">while</span> (buffer[l] != 0);                                                             <span class="comment">/* check buffer[l] */</span></div>
<div class="line"><a name="l01926"></a><span class="lineno"> 1926</span>&#160;    *number = num;                                                                        <span class="comment">/* set number */</span></div>
<div class="line"><a name="l01927"></a><span class="lineno"> 1927</span>&#160;    </div>
<div class="line"><a name="l01928"></a><span class="lineno"> 1928</span>&#160;    <span class="keywordflow">return</span> 0;                                                                             <span class="comment">/* success return 0 */</span></div>
<div class="line"><a name="l01929"></a><span class="lineno"> 1929</span>&#160;}</div>
<div class="line"><a name="l01930"></a><span class="lineno"> 1930</span>&#160; </div>
<div class="line"><a name="l01941"></a><span class="lineno"><a class="line" href="group__ds18b20__advance__driver.html#ga7b1500ff71c4d2a2ba63825b639ae808"> 1941</a></span>&#160;uint8_t <a class="code" href="group__ds18b20__advance__driver.html#ga7b1500ff71c4d2a2ba63825b639ae808">ds18b20_search_rom</a>(<a class="code" href="structds18b20__handle__s.html">ds18b20_handle_t</a> *handle, uint8_t (*rom)[8], uint8_t *num)</div>
<div class="line"><a name="l01942"></a><span class="lineno"> 1942</span>&#160;{</div>
<div class="line"><a name="l01943"></a><span class="lineno"> 1943</span>&#160;    <span class="keywordflow">if</span> (handle == NULL)                                                      <span class="comment">/* check handle */</span></div>
<div class="line"><a name="l01944"></a><span class="lineno"> 1944</span>&#160;    {</div>
<div class="line"><a name="l01945"></a><span class="lineno"> 1945</span>&#160;        <span class="keywordflow">return</span> 2;                                                            <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01946"></a><span class="lineno"> 1946</span>&#160;    }</div>
<div class="line"><a name="l01947"></a><span class="lineno"> 1947</span>&#160;    <span class="keywordflow">if</span> (handle-&gt;<a class="code" href="structds18b20__handle__s.html#a19bedf28d2b9748f6a62d9ae93f4e68f">inited</a> != 1)                                                 <span class="comment">/* check handle initialization */</span></div>
<div class="line"><a name="l01948"></a><span class="lineno"> 1948</span>&#160;    {</div>
<div class="line"><a name="l01949"></a><span class="lineno"> 1949</span>&#160;        <span class="keywordflow">return</span> 3;                                                            <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01950"></a><span class="lineno"> 1950</span>&#160;    }</div>
<div class="line"><a name="l01951"></a><span class="lineno"> 1951</span>&#160;    </div>
<div class="line"><a name="l01952"></a><span class="lineno"> 1952</span>&#160;    <span class="keywordflow">return</span> a_ds18b20_search(handle, rom, <a class="code" href="driver__ds18b20_8c.html#ae6f3a99c114a9bc39c195871ad337653">DS18B20_CMD_SEARCH_ROM</a>, num);       <span class="comment">/* return search result */</span></div>
<div class="line"><a name="l01953"></a><span class="lineno"> 1953</span>&#160;}</div>
<div class="line"><a name="l01954"></a><span class="lineno"> 1954</span>&#160; </div>
<div class="line"><a name="l01965"></a><span class="lineno"><a class="line" href="group__ds18b20__advance__driver.html#ga384c1500974d1390b4113f5b474774e5"> 1965</a></span>&#160;uint8_t <a class="code" href="group__ds18b20__advance__driver.html#ga384c1500974d1390b4113f5b474774e5">ds18b20_search_alarm</a>(<a class="code" href="structds18b20__handle__s.html">ds18b20_handle_t</a> *handle, uint8_t (*rom)[8], uint8_t *num)</div>
<div class="line"><a name="l01966"></a><span class="lineno"> 1966</span>&#160;{</div>
<div class="line"><a name="l01967"></a><span class="lineno"> 1967</span>&#160;    <span class="keywordflow">if</span> (handle == NULL)                                                        <span class="comment">/* check handle */</span></div>
<div class="line"><a name="l01968"></a><span class="lineno"> 1968</span>&#160;    {</div>
<div class="line"><a name="l01969"></a><span class="lineno"> 1969</span>&#160;        <span class="keywordflow">return</span> 2;                                                              <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01970"></a><span class="lineno"> 1970</span>&#160;    }</div>
<div class="line"><a name="l01971"></a><span class="lineno"> 1971</span>&#160;    <span class="keywordflow">if</span> (handle-&gt;<a class="code" href="structds18b20__handle__s.html#a19bedf28d2b9748f6a62d9ae93f4e68f">inited</a> != 1)                                                   <span class="comment">/* check handle initialization */</span></div>
<div class="line"><a name="l01972"></a><span class="lineno"> 1972</span>&#160;    {</div>
<div class="line"><a name="l01973"></a><span class="lineno"> 1973</span>&#160;        <span class="keywordflow">return</span> 3;                                                              <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01974"></a><span class="lineno"> 1974</span>&#160;    }</div>
<div class="line"><a name="l01975"></a><span class="lineno"> 1975</span>&#160;    </div>
<div class="line"><a name="l01976"></a><span class="lineno"> 1976</span>&#160;    <span class="keywordflow">return</span> a_ds18b20_search(handle, rom, <a class="code" href="driver__ds18b20_8c.html#afae59ed6acc15562eda1a04e26b10b99">DS18B20_CMD_ALARM_SEARCH</a>, num);       <span class="comment">/* return search result */</span></div>
<div class="line"><a name="l01977"></a><span class="lineno"> 1977</span>&#160;}</div>
<div class="line"><a name="l01978"></a><span class="lineno"> 1978</span>&#160; </div>
<div class="line"><a name="l01988"></a><span class="lineno"><a class="line" href="group__ds18b20__advance__driver.html#ga508a88dccd8b9b8ddbff04c7e867fd5f"> 1988</a></span>&#160;uint8_t <a class="code" href="group__ds18b20__advance__driver.html#ga508a88dccd8b9b8ddbff04c7e867fd5f">ds18b20_get_power_mode</a>(<a class="code" href="structds18b20__handle__s.html">ds18b20_handle_t</a> *handle, <a class="code" href="group__ds18b20__base__driver.html#ga3804f6549e6eeb30fc781d36ebbf8fbd">ds18b20_power_mode_t</a> *power_mode)</div>
<div class="line"><a name="l01989"></a><span class="lineno"> 1989</span>&#160;{</div>
<div class="line"><a name="l01990"></a><span class="lineno"> 1990</span>&#160;    uint8_t i;</div>
<div class="line"><a name="l01991"></a><span class="lineno"> 1991</span>&#160;    </div>
<div class="line"><a name="l01992"></a><span class="lineno"> 1992</span>&#160;    <span class="keywordflow">if</span> (handle == NULL)                                                         <span class="comment">/* check handle */</span></div>
<div class="line"><a name="l01993"></a><span class="lineno"> 1993</span>&#160;    {</div>
<div class="line"><a name="l01994"></a><span class="lineno"> 1994</span>&#160;        <span class="keywordflow">return</span> 2;                                                               <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01995"></a><span class="lineno"> 1995</span>&#160;    }</div>
<div class="line"><a name="l01996"></a><span class="lineno"> 1996</span>&#160;    <span class="keywordflow">if</span> (handle-&gt;<a class="code" href="structds18b20__handle__s.html#a19bedf28d2b9748f6a62d9ae93f4e68f">inited</a> != 1)                                                    <span class="comment">/* check handle initialization */</span></div>
<div class="line"><a name="l01997"></a><span class="lineno"> 1997</span>&#160;    {</div>
<div class="line"><a name="l01998"></a><span class="lineno"> 1998</span>&#160;        <span class="keywordflow">return</span> 3;                                                               <span class="comment">/* return error */</span></div>
<div class="line"><a name="l01999"></a><span class="lineno"> 1999</span>&#160;    }</div>
<div class="line"><a name="l02000"></a><span class="lineno"> 2000</span>&#160;    </div>
<div class="line"><a name="l02001"></a><span class="lineno"> 2001</span>&#160;    <span class="keywordflow">if</span> (handle-&gt;<a class="code" href="structds18b20__handle__s.html#a37e90f5e3bd99fac2021fb3a326607d4">mode</a> == <a class="code" href="group__ds18b20__base__driver.html#ggaa76e51e2201d4058f4274ca420c165f6a2240dc3e5f913d272861b29b87e06942">DS18B20_MODE_SKIP_ROM</a>)                                  <span class="comment">/* if use skip rom mode */</span></div>
<div class="line"><a name="l02002"></a><span class="lineno"> 2002</span>&#160;    {</div>
<div class="line"><a name="l02003"></a><span class="lineno"> 2003</span>&#160;        <span class="keywordflow">if</span> (a_ds18b20_reset(handle) != 0)                                       <span class="comment">/* bus reset */</span></div>
<div class="line"><a name="l02004"></a><span class="lineno"> 2004</span>&#160;        {</div>
<div class="line"><a name="l02005"></a><span class="lineno"> 2005</span>&#160;            handle-&gt;<a class="code" href="structds18b20__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ds18b20: bus reset failed.\n&quot;</span>);                <span class="comment">/* bus reset failed */</span></div>
<div class="line"><a name="l02006"></a><span class="lineno"> 2006</span>&#160;            </div>
<div class="line"><a name="l02007"></a><span class="lineno"> 2007</span>&#160;            <span class="keywordflow">return</span> 1;                                                           <span class="comment">/* return error */</span></div>
<div class="line"><a name="l02008"></a><span class="lineno"> 2008</span>&#160;        }</div>
<div class="line"><a name="l02009"></a><span class="lineno"> 2009</span>&#160;        <span class="keywordflow">if</span> (a_ds18b20_write_byte(handle, <a class="code" href="driver__ds18b20_8c.html#a608ba051f40d5b9e54f8ebc016dc1514">DS18B20_CMD_SKIP_ROM</a>) != 0)            <span class="comment">/* sent skip rom command */</span></div>
<div class="line"><a name="l02010"></a><span class="lineno"> 2010</span>&#160;        {</div>
<div class="line"><a name="l02011"></a><span class="lineno"> 2011</span>&#160;            handle-&gt;<a class="code" href="structds18b20__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ds18b20: write command failed.\n&quot;</span>);            <span class="comment">/* write command failed */</span></div>
<div class="line"><a name="l02012"></a><span class="lineno"> 2012</span>&#160;            </div>
<div class="line"><a name="l02013"></a><span class="lineno"> 2013</span>&#160;            <span class="keywordflow">return</span> 1;                                                           <span class="comment">/* return error */</span></div>
<div class="line"><a name="l02014"></a><span class="lineno"> 2014</span>&#160;        }</div>
<div class="line"><a name="l02015"></a><span class="lineno"> 2015</span>&#160;        <span class="keywordflow">if</span> (a_ds18b20_write_byte(handle, <a class="code" href="driver__ds18b20_8c.html#afacf9219cf1ebe44185d974711492cdc">DS18B20_CMD_READ_POWER_SUPPLY</a>) != 0)   <span class="comment">/* write read power supply command */</span></div>
<div class="line"><a name="l02016"></a><span class="lineno"> 2016</span>&#160;        {</div>
<div class="line"><a name="l02017"></a><span class="lineno"> 2017</span>&#160;            handle-&gt;<a class="code" href="structds18b20__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ds18b20: write command failed.\n&quot;</span>);            <span class="comment">/* write command failed */</span></div>
<div class="line"><a name="l02018"></a><span class="lineno"> 2018</span>&#160;            </div>
<div class="line"><a name="l02019"></a><span class="lineno"> 2019</span>&#160;            <span class="keywordflow">return</span> 1;                                                           <span class="comment">/* return error */</span></div>
<div class="line"><a name="l02020"></a><span class="lineno"> 2020</span>&#160;        }</div>
<div class="line"><a name="l02021"></a><span class="lineno"> 2021</span>&#160;        <span class="keywordflow">if</span> (a_ds18b20_read_bit(handle, (uint8_t *)power_mode) != 0)             <span class="comment">/* get power mode */</span></div>
<div class="line"><a name="l02022"></a><span class="lineno"> 2022</span>&#160;        {</div>
<div class="line"><a name="l02023"></a><span class="lineno"> 2023</span>&#160;            handle-&gt;<a class="code" href="structds18b20__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ds18b20: read bit failed.\n&quot;</span>);                 <span class="comment">/* read a bit failed */</span></div>
<div class="line"><a name="l02024"></a><span class="lineno"> 2024</span>&#160;            </div>
<div class="line"><a name="l02025"></a><span class="lineno"> 2025</span>&#160;            <span class="keywordflow">return</span> 1;                                                           <span class="comment">/* return error */</span></div>
<div class="line"><a name="l02026"></a><span class="lineno"> 2026</span>&#160;        }</div>
<div class="line"><a name="l02027"></a><span class="lineno"> 2027</span>&#160;        </div>
<div class="line"><a name="l02028"></a><span class="lineno"> 2028</span>&#160;        <span class="keywordflow">return</span> 0;                                                               <span class="comment">/* success return 0 */</span></div>
<div class="line"><a name="l02029"></a><span class="lineno"> 2029</span>&#160;    }</div>
<div class="line"><a name="l02030"></a><span class="lineno"> 2030</span>&#160;    <span class="keywordflow">else</span> <span class="keywordflow">if</span> (handle-&gt;<a class="code" href="structds18b20__handle__s.html#a37e90f5e3bd99fac2021fb3a326607d4">mode</a> == <a class="code" href="group__ds18b20__base__driver.html#ggaa76e51e2201d4058f4274ca420c165f6a6fefdf17cbb1204ac17187e4c6c96eeb">DS18B20_MODE_MATCH_ROM</a>)                            <span class="comment">/* if we use match rom mode */</span></div>
<div class="line"><a name="l02031"></a><span class="lineno"> 2031</span>&#160;    {</div>
<div class="line"><a name="l02032"></a><span class="lineno"> 2032</span>&#160;        <span class="keywordflow">if</span> (a_ds18b20_reset(handle) != 0)                                       <span class="comment">/* bus reset */</span></div>
<div class="line"><a name="l02033"></a><span class="lineno"> 2033</span>&#160;        {</div>
<div class="line"><a name="l02034"></a><span class="lineno"> 2034</span>&#160;            handle-&gt;<a class="code" href="structds18b20__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ds18b20: bus reset failed.\n&quot;</span>);                <span class="comment">/* bus reset failed */</span></div>
<div class="line"><a name="l02035"></a><span class="lineno"> 2035</span>&#160;            </div>
<div class="line"><a name="l02036"></a><span class="lineno"> 2036</span>&#160;            <span class="keywordflow">return</span> 1;                                                           <span class="comment">/* return error */</span></div>
<div class="line"><a name="l02037"></a><span class="lineno"> 2037</span>&#160;        }</div>
<div class="line"><a name="l02038"></a><span class="lineno"> 2038</span>&#160;        <span class="keywordflow">if</span> (a_ds18b20_write_byte(handle, <a class="code" href="driver__ds18b20_8c.html#a6cdf02a12f71612a40dde0a265ebd75b">DS18B20_CMD_MATCH_ROM</a>) != 0)           <span class="comment">/* sent match rom command */</span></div>
<div class="line"><a name="l02039"></a><span class="lineno"> 2039</span>&#160;        {</div>
<div class="line"><a name="l02040"></a><span class="lineno"> 2040</span>&#160;            handle-&gt;<a class="code" href="structds18b20__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ds18b20: write command failed.\n&quot;</span>);            <span class="comment">/* write command failed */</span></div>
<div class="line"><a name="l02041"></a><span class="lineno"> 2041</span>&#160; </div>
<div class="line"><a name="l02042"></a><span class="lineno"> 2042</span>&#160;            <span class="keywordflow">return</span> 1;                                                           <span class="comment">/* return error */</span></div>
<div class="line"><a name="l02043"></a><span class="lineno"> 2043</span>&#160;        }</div>
<div class="line"><a name="l02044"></a><span class="lineno"> 2044</span>&#160;        <span class="keywordflow">for</span> (i = 0; i &lt; 8; i++)</div>
<div class="line"><a name="l02045"></a><span class="lineno"> 2045</span>&#160;        {</div>
<div class="line"><a name="l02046"></a><span class="lineno"> 2046</span>&#160;            <span class="keywordflow">if</span> (a_ds18b20_write_byte(handle, handle-&gt;<a class="code" href="structds18b20__handle__s.html#ae3c9459b1dbf0dc64f4398a7b7c12e59">rom</a>[i]) != 0)              <span class="comment">/* send rom */</span></div>
<div class="line"><a name="l02047"></a><span class="lineno"> 2047</span>&#160;            {</div>
<div class="line"><a name="l02048"></a><span class="lineno"> 2048</span>&#160;                handle-&gt;<a class="code" href="structds18b20__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ds18b20: write command failed.\n&quot;</span>);        <span class="comment">/* write command failed */</span></div>
<div class="line"><a name="l02049"></a><span class="lineno"> 2049</span>&#160;                </div>
<div class="line"><a name="l02050"></a><span class="lineno"> 2050</span>&#160;                <span class="keywordflow">return</span> 1;                                                       <span class="comment">/* return error */</span></div>
<div class="line"><a name="l02051"></a><span class="lineno"> 2051</span>&#160;            }</div>
<div class="line"><a name="l02052"></a><span class="lineno"> 2052</span>&#160;        }</div>
<div class="line"><a name="l02053"></a><span class="lineno"> 2053</span>&#160;        <span class="keywordflow">if</span> (a_ds18b20_write_byte(handle, <a class="code" href="driver__ds18b20_8c.html#afacf9219cf1ebe44185d974711492cdc">DS18B20_CMD_READ_POWER_SUPPLY</a>) != 0)   <span class="comment">/* write read power supply */</span></div>
<div class="line"><a name="l02054"></a><span class="lineno"> 2054</span>&#160;        {</div>
<div class="line"><a name="l02055"></a><span class="lineno"> 2055</span>&#160;            handle-&gt;<a class="code" href="structds18b20__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ds18b20: write command failed.\n&quot;</span>);            <span class="comment">/* write command failed */</span></div>
<div class="line"><a name="l02056"></a><span class="lineno"> 2056</span>&#160;            </div>
<div class="line"><a name="l02057"></a><span class="lineno"> 2057</span>&#160;            <span class="keywordflow">return</span> 1;                                                           <span class="comment">/* return error */</span></div>
<div class="line"><a name="l02058"></a><span class="lineno"> 2058</span>&#160;        }</div>
<div class="line"><a name="l02059"></a><span class="lineno"> 2059</span>&#160;        <span class="keywordflow">if</span> (a_ds18b20_read_bit(handle, (uint8_t *)power_mode) != 0)             <span class="comment">/* get power mode */</span></div>
<div class="line"><a name="l02060"></a><span class="lineno"> 2060</span>&#160;        {</div>
<div class="line"><a name="l02061"></a><span class="lineno"> 2061</span>&#160;            handle-&gt;<a class="code" href="structds18b20__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ds18b20: read bit failed.\n&quot;</span>);                 <span class="comment">/* read a bit failed */</span></div>
<div class="line"><a name="l02062"></a><span class="lineno"> 2062</span>&#160;            </div>
<div class="line"><a name="l02063"></a><span class="lineno"> 2063</span>&#160;            <span class="keywordflow">return</span> 1;                                                           <span class="comment">/* return error */</span></div>
<div class="line"><a name="l02064"></a><span class="lineno"> 2064</span>&#160;        }</div>
<div class="line"><a name="l02065"></a><span class="lineno"> 2065</span>&#160;        </div>
<div class="line"><a name="l02066"></a><span class="lineno"> 2066</span>&#160;        <span class="keywordflow">return</span> 0;                                                               <span class="comment">/* success return 0 */</span></div>
<div class="line"><a name="l02067"></a><span class="lineno"> 2067</span>&#160;    }</div>
<div class="line"><a name="l02068"></a><span class="lineno"> 2068</span>&#160;    <span class="keywordflow">else</span></div>
<div class="line"><a name="l02069"></a><span class="lineno"> 2069</span>&#160;    {</div>
<div class="line"><a name="l02070"></a><span class="lineno"> 2070</span>&#160;        handle-&gt;<a class="code" href="structds18b20__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">debug_print</a>(<span class="stringliteral">&quot;ds18b20: mode invalid.\n&quot;</span>);                        <span class="comment">/* mode is invalid */</span></div>
<div class="line"><a name="l02071"></a><span class="lineno"> 2071</span>&#160;        </div>
<div class="line"><a name="l02072"></a><span class="lineno"> 2072</span>&#160;        <span class="keywordflow">return</span> 1;                                                               <span class="comment">/* return error */</span></div>
<div class="line"><a name="l02073"></a><span class="lineno"> 2073</span>&#160;    }</div>
<div class="line"><a name="l02074"></a><span class="lineno"> 2074</span>&#160;}</div>
<div class="line"><a name="l02075"></a><span class="lineno"> 2075</span>&#160; </div>
<div class="line"><a name="l02084"></a><span class="lineno"><a class="line" href="group__ds18b20__base__driver.html#ga73dc824fee896b24252b86e683618ee8"> 2084</a></span>&#160;uint8_t <a class="code" href="group__ds18b20__base__driver.html#ga73dc824fee896b24252b86e683618ee8">ds18b20_info</a>(<a class="code" href="structds18b20__info__s.html">ds18b20_info_t</a> *info)</div>
<div class="line"><a name="l02085"></a><span class="lineno"> 2085</span>&#160;{</div>
<div class="line"><a name="l02086"></a><span class="lineno"> 2086</span>&#160;    <span class="keywordflow">if</span> (info == NULL)                                               <span class="comment">/* check handle */</span></div>
<div class="line"><a name="l02087"></a><span class="lineno"> 2087</span>&#160;    {</div>
<div class="line"><a name="l02088"></a><span class="lineno"> 2088</span>&#160;        <span class="keywordflow">return</span> 2;                                                   <span class="comment">/* return error */</span></div>
<div class="line"><a name="l02089"></a><span class="lineno"> 2089</span>&#160;    }</div>
<div class="line"><a name="l02090"></a><span class="lineno"> 2090</span>&#160;    </div>
<div class="line"><a name="l02091"></a><span class="lineno"> 2091</span>&#160;    memset(info, 0, <span class="keyword">sizeof</span>(<a class="code" href="structds18b20__info__s.html">ds18b20_info_t</a>));                        <span class="comment">/* initialize ds18b20 info structure */</span></div>
<div class="line"><a name="l02092"></a><span class="lineno"> 2092</span>&#160;    strncpy(info-&gt;<a class="code" href="structds18b20__info__s.html#af890958c72bd715cc6454a10dc846ae6">chip_name</a>, <a class="code" href="driver__ds18b20_8c.html#adc9da0a24824ca1239b593f6459b3954">CHIP_NAME</a>, 32);                        <span class="comment">/* copy chip name */</span></div>
<div class="line"><a name="l02093"></a><span class="lineno"> 2093</span>&#160;    strncpy(info-&gt;<a class="code" href="structds18b20__info__s.html#ad25285dbf810c90f8eaf3fcef6f2b2ea">manufacturer_name</a>, <a class="code" href="driver__ds18b20_8c.html#aaa2b8f5b105c3019df0cb346f472e803">MANUFACTURER_NAME</a>, 32);        <span class="comment">/* copy manufacturer name */</span></div>
<div class="line"><a name="l02094"></a><span class="lineno"> 2094</span>&#160;    strncpy(info-&gt;<a class="code" href="structds18b20__info__s.html#aebaa6c28dd4f2c3dc27566fcb910fd28">interface</a>, <span class="stringliteral">&quot;GPIO&quot;</span>, 8);                            <span class="comment">/* copy interface name */</span></div>
<div class="line"><a name="l02095"></a><span class="lineno"> 2095</span>&#160;    info-&gt;<a class="code" href="structds18b20__info__s.html#ad8bde6ddadaf43d951e62f3befb9d35a">supply_voltage_min_v</a> = <a class="code" href="driver__ds18b20_8c.html#aac8d8cbd899667d609787ef4cf37054d">SUPPLY_VOLTAGE_MIN</a>;                <span class="comment">/* set minimal supply voltage */</span></div>
<div class="line"><a name="l02096"></a><span class="lineno"> 2096</span>&#160;    info-&gt;<a class="code" href="structds18b20__info__s.html#a3d2b12bcac7a85ea8646bff9debe8660">supply_voltage_max_v</a> = <a class="code" href="driver__ds18b20_8c.html#a68eba8b601afe11f1b871d944976c035">SUPPLY_VOLTAGE_MAX</a>;                <span class="comment">/* set maximum supply voltage */</span></div>
<div class="line"><a name="l02097"></a><span class="lineno"> 2097</span>&#160;    info-&gt;<a class="code" href="structds18b20__info__s.html#a9db82802561bf22d799b03a345f1d1dc">max_current_ma</a> = <a class="code" href="driver__ds18b20_8c.html#a2989837a37d6d63b59c6dd541b785435">MAX_CURRENT</a>;                             <span class="comment">/* set maximum current */</span></div>
<div class="line"><a name="l02098"></a><span class="lineno"> 2098</span>&#160;    info-&gt;<a class="code" href="structds18b20__info__s.html#a3366a5dce9b829e03c3d321c2b4df3f6">temperature_max</a> = <a class="code" href="driver__ds18b20_8c.html#a90c0b20d54005712fcc8cb01281360e9">TEMPERATURE_MAX</a>;                        <span class="comment">/* set minimal temperature */</span></div>
<div class="line"><a name="l02099"></a><span class="lineno"> 2099</span>&#160;    info-&gt;<a class="code" href="structds18b20__info__s.html#a8f9dbe66ac0b66ebae0a36fcb4ba368e">temperature_min</a> = <a class="code" href="driver__ds18b20_8c.html#aab353db5bf4eb787f86a2080f609a551">TEMPERATURE_MIN</a>;                        <span class="comment">/* set maximum temperature */</span></div>
<div class="line"><a name="l02100"></a><span class="lineno"> 2100</span>&#160;    info-&gt;<a class="code" href="structds18b20__info__s.html#a41b0bd442708b70d252c50b92c75265a">driver_version</a> = <a class="code" href="driver__ds18b20_8c.html#ae578001fe043b4cca7a0edd801cfe9c4">DRIVER_VERSION</a>;                          <span class="comment">/* set driver version */</span></div>
<div class="line"><a name="l02101"></a><span class="lineno"> 2101</span>&#160;    </div>
<div class="line"><a name="l02102"></a><span class="lineno"> 2102</span>&#160;    <span class="keywordflow">return</span> 0;                                                       <span class="comment">/* success return 0 */</span></div>
<div class="line"><a name="l02103"></a><span class="lineno"> 2103</span>&#160;}</div>
<div class="ttc" id="adriver__ds18b20_8c_html_a2989837a37d6d63b59c6dd541b785435"><div class="ttname"><a href="driver__ds18b20_8c.html#a2989837a37d6d63b59c6dd541b785435">MAX_CURRENT</a></div><div class="ttdeci">#define MAX_CURRENT</div><div class="ttdef"><b>Definition:</b> <a href="driver__ds18b20_8c_source.html#l00047">driver_ds18b20.c:47</a></div></div>
<div class="ttc" id="adriver__ds18b20_8c_html_a32219b19129afbf46d1a7025492ed4e4"><div class="ttname"><a href="driver__ds18b20_8c.html#a32219b19129afbf46d1a7025492ed4e4">gc_ds18b20_crc_table</a></div><div class="ttdeci">const uint8_t gc_ds18b20_crc_table[256]</div><div class="ttdoc">crc table</div><div class="ttdef"><b>Definition:</b> <a href="driver__ds18b20_8c_source.html#l00070">driver_ds18b20.c:70</a></div></div>
<div class="ttc" id="adriver__ds18b20_8c_html_a3734ec2848db33401ad3246798e474a7"><div class="ttname"><a href="driver__ds18b20_8c.html#a3734ec2848db33401ad3246798e474a7">DS18B20_CMD_READ_SCRATCHPAD</a></div><div class="ttdeci">#define DS18B20_CMD_READ_SCRATCHPAD</div><div class="ttdef"><b>Definition:</b> <a href="driver__ds18b20_8c_source.html#l00062">driver_ds18b20.c:62</a></div></div>
<div class="ttc" id="adriver__ds18b20_8c_html_a57959c93d714e1c177afc244b2c57d5e"><div class="ttname"><a href="driver__ds18b20_8c.html#a57959c93d714e1c177afc244b2c57d5e">DS18B20_CMD_WRITE_SCRATCHPAD</a></div><div class="ttdeci">#define DS18B20_CMD_WRITE_SCRATCHPAD</div><div class="ttdef"><b>Definition:</b> <a href="driver__ds18b20_8c_source.html#l00061">driver_ds18b20.c:61</a></div></div>
<div class="ttc" id="adriver__ds18b20_8c_html_a608ba051f40d5b9e54f8ebc016dc1514"><div class="ttname"><a href="driver__ds18b20_8c.html#a608ba051f40d5b9e54f8ebc016dc1514">DS18B20_CMD_SKIP_ROM</a></div><div class="ttdeci">#define DS18B20_CMD_SKIP_ROM</div><div class="ttdef"><b>Definition:</b> <a href="driver__ds18b20_8c_source.html#l00058">driver_ds18b20.c:58</a></div></div>
<div class="ttc" id="adriver__ds18b20_8c_html_a68eba8b601afe11f1b871d944976c035"><div class="ttname"><a href="driver__ds18b20_8c.html#a68eba8b601afe11f1b871d944976c035">SUPPLY_VOLTAGE_MAX</a></div><div class="ttdeci">#define SUPPLY_VOLTAGE_MAX</div><div class="ttdef"><b>Definition:</b> <a href="driver__ds18b20_8c_source.html#l00046">driver_ds18b20.c:46</a></div></div>
<div class="ttc" id="adriver__ds18b20_8c_html_a6cdf02a12f71612a40dde0a265ebd75b"><div class="ttname"><a href="driver__ds18b20_8c.html#a6cdf02a12f71612a40dde0a265ebd75b">DS18B20_CMD_MATCH_ROM</a></div><div class="ttdeci">#define DS18B20_CMD_MATCH_ROM</div><div class="ttdef"><b>Definition:</b> <a href="driver__ds18b20_8c_source.html#l00057">driver_ds18b20.c:57</a></div></div>
<div class="ttc" id="adriver__ds18b20_8c_html_a72f0f569eb68858f479bcc730c3e295c"><div class="ttname"><a href="driver__ds18b20_8c.html#a72f0f569eb68858f479bcc730c3e295c">DS18B20_CMD_READ_ROM</a></div><div class="ttdeci">#define DS18B20_CMD_READ_ROM</div><div class="ttdef"><b>Definition:</b> <a href="driver__ds18b20_8c_source.html#l00056">driver_ds18b20.c:56</a></div></div>
<div class="ttc" id="adriver__ds18b20_8c_html_a90c0b20d54005712fcc8cb01281360e9"><div class="ttname"><a href="driver__ds18b20_8c.html#a90c0b20d54005712fcc8cb01281360e9">TEMPERATURE_MAX</a></div><div class="ttdeci">#define TEMPERATURE_MAX</div><div class="ttdef"><b>Definition:</b> <a href="driver__ds18b20_8c_source.html#l00049">driver_ds18b20.c:49</a></div></div>
<div class="ttc" id="adriver__ds18b20_8c_html_aaa2b8f5b105c3019df0cb346f472e803"><div class="ttname"><a href="driver__ds18b20_8c.html#aaa2b8f5b105c3019df0cb346f472e803">MANUFACTURER_NAME</a></div><div class="ttdeci">#define MANUFACTURER_NAME</div><div class="ttdef"><b>Definition:</b> <a href="driver__ds18b20_8c_source.html#l00044">driver_ds18b20.c:44</a></div></div>
<div class="ttc" id="adriver__ds18b20_8c_html_aab353db5bf4eb787f86a2080f609a551"><div class="ttname"><a href="driver__ds18b20_8c.html#aab353db5bf4eb787f86a2080f609a551">TEMPERATURE_MIN</a></div><div class="ttdeci">#define TEMPERATURE_MIN</div><div class="ttdef"><b>Definition:</b> <a href="driver__ds18b20_8c_source.html#l00048">driver_ds18b20.c:48</a></div></div>
<div class="ttc" id="adriver__ds18b20_8c_html_aac8d8cbd899667d609787ef4cf37054d"><div class="ttname"><a href="driver__ds18b20_8c.html#aac8d8cbd899667d609787ef4cf37054d">SUPPLY_VOLTAGE_MIN</a></div><div class="ttdeci">#define SUPPLY_VOLTAGE_MIN</div><div class="ttdef"><b>Definition:</b> <a href="driver__ds18b20_8c_source.html#l00045">driver_ds18b20.c:45</a></div></div>
<div class="ttc" id="adriver__ds18b20_8c_html_ab8ff7b9c7b59106d5c9bda3c03d56c6d"><div class="ttname"><a href="driver__ds18b20_8c.html#ab8ff7b9c7b59106d5c9bda3c03d56c6d">DS18B20_CMD_RECALL_EE</a></div><div class="ttdeci">#define DS18B20_CMD_RECALL_EE</div><div class="ttdef"><b>Definition:</b> <a href="driver__ds18b20_8c_source.html#l00064">driver_ds18b20.c:64</a></div></div>
<div class="ttc" id="adriver__ds18b20_8c_html_ac2a9d81efb3ef7b921377c116e41a3f8"><div class="ttname"><a href="driver__ds18b20_8c.html#ac2a9d81efb3ef7b921377c116e41a3f8">DS18B20_CMD_CONVERT_T</a></div><div class="ttdeci">#define DS18B20_CMD_CONVERT_T</div><div class="ttdef"><b>Definition:</b> <a href="driver__ds18b20_8c_source.html#l00060">driver_ds18b20.c:60</a></div></div>
<div class="ttc" id="adriver__ds18b20_8c_html_adc9da0a24824ca1239b593f6459b3954"><div class="ttname"><a href="driver__ds18b20_8c.html#adc9da0a24824ca1239b593f6459b3954">CHIP_NAME</a></div><div class="ttdeci">#define CHIP_NAME</div><div class="ttdoc">chip information definition</div><div class="ttdef"><b>Definition:</b> <a href="driver__ds18b20_8c_source.html#l00043">driver_ds18b20.c:43</a></div></div>
<div class="ttc" id="adriver__ds18b20_8c_html_ae578001fe043b4cca7a0edd801cfe9c4"><div class="ttname"><a href="driver__ds18b20_8c.html#ae578001fe043b4cca7a0edd801cfe9c4">DRIVER_VERSION</a></div><div class="ttdeci">#define DRIVER_VERSION</div><div class="ttdef"><b>Definition:</b> <a href="driver__ds18b20_8c_source.html#l00050">driver_ds18b20.c:50</a></div></div>
<div class="ttc" id="adriver__ds18b20_8c_html_ae6f3a99c114a9bc39c195871ad337653"><div class="ttname"><a href="driver__ds18b20_8c.html#ae6f3a99c114a9bc39c195871ad337653">DS18B20_CMD_SEARCH_ROM</a></div><div class="ttdeci">#define DS18B20_CMD_SEARCH_ROM</div><div class="ttdoc">chip command definition</div><div class="ttdef"><b>Definition:</b> <a href="driver__ds18b20_8c_source.html#l00055">driver_ds18b20.c:55</a></div></div>
<div class="ttc" id="adriver__ds18b20_8c_html_ae93330bdd8be8a8321fab8fd377f032d"><div class="ttname"><a href="driver__ds18b20_8c.html#ae93330bdd8be8a8321fab8fd377f032d">DS18B20_CMD_COPY_SCRATCHPAD</a></div><div class="ttdeci">#define DS18B20_CMD_COPY_SCRATCHPAD</div><div class="ttdef"><b>Definition:</b> <a href="driver__ds18b20_8c_source.html#l00063">driver_ds18b20.c:63</a></div></div>
<div class="ttc" id="adriver__ds18b20_8c_html_afacf9219cf1ebe44185d974711492cdc"><div class="ttname"><a href="driver__ds18b20_8c.html#afacf9219cf1ebe44185d974711492cdc">DS18B20_CMD_READ_POWER_SUPPLY</a></div><div class="ttdeci">#define DS18B20_CMD_READ_POWER_SUPPLY</div><div class="ttdef"><b>Definition:</b> <a href="driver__ds18b20_8c_source.html#l00065">driver_ds18b20.c:65</a></div></div>
<div class="ttc" id="adriver__ds18b20_8c_html_afae59ed6acc15562eda1a04e26b10b99"><div class="ttname"><a href="driver__ds18b20_8c.html#afae59ed6acc15562eda1a04e26b10b99">DS18B20_CMD_ALARM_SEARCH</a></div><div class="ttdeci">#define DS18B20_CMD_ALARM_SEARCH</div><div class="ttdef"><b>Definition:</b> <a href="driver__ds18b20_8c_source.html#l00059">driver_ds18b20.c:59</a></div></div>
<div class="ttc" id="adriver__ds18b20_8h_html"><div class="ttname"><a href="driver__ds18b20_8h.html">driver_ds18b20.h</a></div><div class="ttdoc">driver ds18b20 header file</div></div>
<div class="ttc" id="agroup__ds18b20__advance__driver_html_ga11bfd128f97051bc0e2775bf6dda64f5"><div class="ttname"><a href="group__ds18b20__advance__driver.html#ga11bfd128f97051bc0e2775bf6dda64f5">ds18b20_alarm_convert_to_data</a></div><div class="ttdeci">uint8_t ds18b20_alarm_convert_to_data(ds18b20_handle_t *handle, int8_t reg, float *temp)</div><div class="ttdoc">convert the register data to the alarm temperature</div><div class="ttdef"><b>Definition:</b> <a href="driver__ds18b20_8c_source.html#l01278">driver_ds18b20.c:1278</a></div></div>
<div class="ttc" id="agroup__ds18b20__advance__driver_html_ga384c1500974d1390b4113f5b474774e5"><div class="ttname"><a href="group__ds18b20__advance__driver.html#ga384c1500974d1390b4113f5b474774e5">ds18b20_search_alarm</a></div><div class="ttdeci">uint8_t ds18b20_search_alarm(ds18b20_handle_t *handle, uint8_t(*rom)[8], uint8_t *num)</div><div class="ttdoc">search the ds18b20 alarm rom</div><div class="ttdef"><b>Definition:</b> <a href="driver__ds18b20_8c_source.html#l01965">driver_ds18b20.c:1965</a></div></div>
<div class="ttc" id="agroup__ds18b20__advance__driver_html_ga3fe85125e859506571af01e6260cc29d"><div class="ttname"><a href="group__ds18b20__advance__driver.html#ga3fe85125e859506571af01e6260cc29d">DS18B20_MAX_SEARCH_SIZE</a></div><div class="ttdeci">#define DS18B20_MAX_SEARCH_SIZE</div><div class="ttdoc">ds18b20 max search size definition</div><div class="ttdef"><b>Definition:</b> <a href="driver__ds18b20_8h_source.html#l00064">driver_ds18b20.h:64</a></div></div>
<div class="ttc" id="agroup__ds18b20__advance__driver_html_ga508a88dccd8b9b8ddbff04c7e867fd5f"><div class="ttname"><a href="group__ds18b20__advance__driver.html#ga508a88dccd8b9b8ddbff04c7e867fd5f">ds18b20_get_power_mode</a></div><div class="ttdeci">uint8_t ds18b20_get_power_mode(ds18b20_handle_t *handle, ds18b20_power_mode_t *power_mode)</div><div class="ttdoc">get the power mode</div><div class="ttdef"><b>Definition:</b> <a href="driver__ds18b20_8c_source.html#l01988">driver_ds18b20.c:1988</a></div></div>
<div class="ttc" id="agroup__ds18b20__advance__driver_html_ga7b1500ff71c4d2a2ba63825b639ae808"><div class="ttname"><a href="group__ds18b20__advance__driver.html#ga7b1500ff71c4d2a2ba63825b639ae808">ds18b20_search_rom</a></div><div class="ttdeci">uint8_t ds18b20_search_rom(ds18b20_handle_t *handle, uint8_t(*rom)[8], uint8_t *num)</div><div class="ttdoc">search the ds18b20 rom</div><div class="ttdef"><b>Definition:</b> <a href="driver__ds18b20_8c_source.html#l01941">driver_ds18b20.c:1941</a></div></div>
<div class="ttc" id="agroup__ds18b20__advance__driver_html_gabe12d7ad8c1a4812239d2d85e0536a0d"><div class="ttname"><a href="group__ds18b20__advance__driver.html#gabe12d7ad8c1a4812239d2d85e0536a0d">ds18b20_scrachpad_get_alarm_threshold</a></div><div class="ttdeci">uint8_t ds18b20_scrachpad_get_alarm_threshold(ds18b20_handle_t *handle, int8_t *threshold_high, int8_t *threshold_low)</div><div class="ttdoc">get the alarm threshold in the scratchpad</div><div class="ttdef"><b>Definition:</b> <a href="driver__ds18b20_8c_source.html#l00958">driver_ds18b20.c:958</a></div></div>
<div class="ttc" id="agroup__ds18b20__advance__driver_html_gacdec4dca56e47a203832ffcd1d71b2f0"><div class="ttname"><a href="group__ds18b20__advance__driver.html#gacdec4dca56e47a203832ffcd1d71b2f0">ds18b20_scratchpad_set_alarm_threshold</a></div><div class="ttdeci">uint8_t ds18b20_scratchpad_set_alarm_threshold(ds18b20_handle_t *handle, int8_t threshold_high, int8_t threshold_low)</div><div class="ttdoc">set the alarm threshold in the scratchpad</div><div class="ttdef"><b>Definition:</b> <a href="driver__ds18b20_8c_source.html#l00773">driver_ds18b20.c:773</a></div></div>
<div class="ttc" id="agroup__ds18b20__advance__driver_html_gad27eacce4379fb8aa528645be258b698"><div class="ttname"><a href="group__ds18b20__advance__driver.html#gad27eacce4379fb8aa528645be258b698">ds18b20_alarm_convert_to_register</a></div><div class="ttdeci">uint8_t ds18b20_alarm_convert_to_register(ds18b20_handle_t *handle, float temp, int8_t *reg)</div><div class="ttdoc">convert the alarm temperature to the register data</div><div class="ttdef"><b>Definition:</b> <a href="driver__ds18b20_8c_source.html#l01251">driver_ds18b20.c:1251</a></div></div>
<div class="ttc" id="agroup__ds18b20__base__driver_html_ga1e6aa803f8f341dbaeb010e5c4b3ecda"><div class="ttname"><a href="group__ds18b20__base__driver.html#ga1e6aa803f8f341dbaeb010e5c4b3ecda">ds18b20_scratchpad_get_resolution</a></div><div class="ttdeci">uint8_t ds18b20_scratchpad_get_resolution(ds18b20_handle_t *handle, ds18b20_resolution_t *resolution)</div><div class="ttdoc">get the resolution in the scratchpad</div><div class="ttdef"><b>Definition:</b> <a href="driver__ds18b20_8c_source.html#l00653">driver_ds18b20.c:653</a></div></div>
<div class="ttc" id="agroup__ds18b20__base__driver_html_ga3804f6549e6eeb30fc781d36ebbf8fbd"><div class="ttname"><a href="group__ds18b20__base__driver.html#ga3804f6549e6eeb30fc781d36ebbf8fbd">ds18b20_power_mode_t</a></div><div class="ttdeci">ds18b20_power_mode_t</div><div class="ttdoc">ds18b20 power mode enumeration definition</div><div class="ttdef"><b>Definition:</b> <a href="driver__ds18b20_8h_source.html#l00088">driver_ds18b20.h:89</a></div></div>
<div class="ttc" id="agroup__ds18b20__base__driver_html_ga42a0bced6314bc11b3c47f1d83bbff9a"><div class="ttname"><a href="group__ds18b20__base__driver.html#ga42a0bced6314bc11b3c47f1d83bbff9a">ds18b20_init</a></div><div class="ttdeci">uint8_t ds18b20_init(ds18b20_handle_t *handle)</div><div class="ttdoc">initialize the chip</div><div class="ttdef"><b>Definition:</b> <a href="driver__ds18b20_8c_source.html#l01305">driver_ds18b20.c:1305</a></div></div>
<div class="ttc" id="agroup__ds18b20__base__driver_html_ga4cf8a45542f1dfdca17347c0870f870f"><div class="ttname"><a href="group__ds18b20__base__driver.html#ga4cf8a45542f1dfdca17347c0870f870f">ds18b20_set_rom</a></div><div class="ttdeci">uint8_t ds18b20_set_rom(ds18b20_handle_t *handle, uint8_t rom[8])</div><div class="ttdoc">set the handle rom</div><div class="ttdef"><b>Definition:</b> <a href="driver__ds18b20_8c_source.html#l00394">driver_ds18b20.c:394</a></div></div>
<div class="ttc" id="agroup__ds18b20__base__driver_html_ga511d72a8988b7dc7dc09bd82ab3cfde3"><div class="ttname"><a href="group__ds18b20__base__driver.html#ga511d72a8988b7dc7dc09bd82ab3cfde3">ds18b20_copy_eeprom_to_scratchpad</a></div><div class="ttdeci">uint8_t ds18b20_copy_eeprom_to_scratchpad(ds18b20_handle_t *handle)</div><div class="ttdoc">copy the eeprom content to the scratchpad</div><div class="ttdef"><b>Definition:</b> <a href="driver__ds18b20_8c_source.html#l01164">driver_ds18b20.c:1164</a></div></div>
<div class="ttc" id="agroup__ds18b20__base__driver_html_ga5b16e3c5bee08168be48a615150fe171"><div class="ttname"><a href="group__ds18b20__base__driver.html#ga5b16e3c5bee08168be48a615150fe171">ds18b20_copy_scratchpad_to_eeprom</a></div><div class="ttdeci">uint8_t ds18b20_copy_scratchpad_to_eeprom(ds18b20_handle_t *handle)</div><div class="ttdoc">copy the scratchpad content to the eeprom</div><div class="ttdef"><b>Definition:</b> <a href="driver__ds18b20_8c_source.html#l01078">driver_ds18b20.c:1078</a></div></div>
<div class="ttc" id="agroup__ds18b20__base__driver_html_ga6a1cab097fcad68347f07f97e1bb2af8"><div class="ttname"><a href="group__ds18b20__base__driver.html#ga6a1cab097fcad68347f07f97e1bb2af8">ds18b20_resolution_t</a></div><div class="ttdeci">ds18b20_resolution_t</div><div class="ttdoc">ds18b20 resolution enumeration definition</div><div class="ttdef"><b>Definition:</b> <a href="driver__ds18b20_8h_source.html#l00097">driver_ds18b20.h:98</a></div></div>
<div class="ttc" id="agroup__ds18b20__base__driver_html_ga73dc824fee896b24252b86e683618ee8"><div class="ttname"><a href="group__ds18b20__base__driver.html#ga73dc824fee896b24252b86e683618ee8">ds18b20_info</a></div><div class="ttdeci">uint8_t ds18b20_info(ds18b20_info_t *info)</div><div class="ttdoc">get chip's information</div><div class="ttdef"><b>Definition:</b> <a href="driver__ds18b20_8c_source.html#l02084">driver_ds18b20.c:2084</a></div></div>
<div class="ttc" id="agroup__ds18b20__base__driver_html_ga7b55e1d3f3ba9ca53c3a78c1d8d221b4"><div class="ttname"><a href="group__ds18b20__base__driver.html#ga7b55e1d3f3ba9ca53c3a78c1d8d221b4">ds18b20_read</a></div><div class="ttdeci">uint8_t ds18b20_read(ds18b20_handle_t *handle, int16_t *raw, float *temp)</div><div class="ttdoc">read data from the chip</div><div class="ttdef"><b>Definition:</b> <a href="driver__ds18b20_8c_source.html#l01426">driver_ds18b20.c:1426</a></div></div>
<div class="ttc" id="agroup__ds18b20__base__driver_html_ga93cfb5e6ae40d2595d55aafcd947f4ba"><div class="ttname"><a href="group__ds18b20__base__driver.html#ga93cfb5e6ae40d2595d55aafcd947f4ba">ds18b20_scratchpad_set_resolution</a></div><div class="ttdeci">uint8_t ds18b20_scratchpad_set_resolution(ds18b20_handle_t *handle, ds18b20_resolution_t resolution)</div><div class="ttdoc">set the resolution in the scratchpad</div><div class="ttdef"><b>Definition:</b> <a href="driver__ds18b20_8c_source.html#l00469">driver_ds18b20.c:469</a></div></div>
<div class="ttc" id="agroup__ds18b20__base__driver_html_gaa76e51e2201d4058f4274ca420c165f6"><div class="ttname"><a href="group__ds18b20__base__driver.html#gaa76e51e2201d4058f4274ca420c165f6">ds18b20_mode_t</a></div><div class="ttdeci">ds18b20_mode_t</div><div class="ttdoc">ds18b20 mode enumeration definition</div><div class="ttdef"><b>Definition:</b> <a href="driver__ds18b20_8h_source.html#l00079">driver_ds18b20.h:80</a></div></div>
<div class="ttc" id="agroup__ds18b20__base__driver_html_gaa7b94675deaafbe00917e7e232278c77"><div class="ttname"><a href="group__ds18b20__base__driver.html#gaa7b94675deaafbe00917e7e232278c77">ds18b20_deinit</a></div><div class="ttdeci">uint8_t ds18b20_deinit(ds18b20_handle_t *handle)</div><div class="ttdoc">close the chip</div><div class="ttdef"><b>Definition:</b> <a href="driver__ds18b20_8c_source.html#l01392">driver_ds18b20.c:1392</a></div></div>
<div class="ttc" id="agroup__ds18b20__base__driver_html_gac443f4e1e2ec109676d1842cc7d1e96c"><div class="ttname"><a href="group__ds18b20__base__driver.html#gac443f4e1e2ec109676d1842cc7d1e96c">ds18b20_get_mode</a></div><div class="ttdeci">uint8_t ds18b20_get_mode(ds18b20_handle_t *handle, ds18b20_mode_t *mode)</div><div class="ttdoc">get the chip mode</div><div class="ttdef"><b>Definition:</b> <a href="driver__ds18b20_8c_source.html#l00368">driver_ds18b20.c:368</a></div></div>
<div class="ttc" id="agroup__ds18b20__base__driver_html_gadd246c4e8a5887a1acd710dee214323c"><div class="ttname"><a href="group__ds18b20__base__driver.html#gadd246c4e8a5887a1acd710dee214323c">ds18b20_set_mode</a></div><div class="ttdeci">uint8_t ds18b20_set_mode(ds18b20_handle_t *handle, ds18b20_mode_t mode)</div><div class="ttdoc">set the chip mode</div><div class="ttdef"><b>Definition:</b> <a href="driver__ds18b20_8c_source.html#l00342">driver_ds18b20.c:342</a></div></div>
<div class="ttc" id="agroup__ds18b20__base__driver_html_gaf4d3d3dd0bc24d0c4fa2822bfbc32f35"><div class="ttname"><a href="group__ds18b20__base__driver.html#gaf4d3d3dd0bc24d0c4fa2822bfbc32f35">ds18b20_get_rom</a></div><div class="ttdeci">uint8_t ds18b20_get_rom(ds18b20_handle_t *handle, uint8_t rom[8])</div><div class="ttdoc">get the chip rom</div><div class="ttdef"><b>Definition:</b> <a href="driver__ds18b20_8c_source.html#l00420">driver_ds18b20.c:420</a></div></div>
<div class="ttc" id="agroup__ds18b20__base__driver_html_gga6a1cab097fcad68347f07f97e1bb2af8a0396bfa58a01fdd9922771715e1467f6"><div class="ttname"><a href="group__ds18b20__base__driver.html#gga6a1cab097fcad68347f07f97e1bb2af8a0396bfa58a01fdd9922771715e1467f6">DS18B20_RESOLUTION_11BIT</a></div><div class="ttdeci">@ DS18B20_RESOLUTION_11BIT</div><div class="ttdef"><b>Definition:</b> <a href="driver__ds18b20_8h_source.html#l00101">driver_ds18b20.h:101</a></div></div>
<div class="ttc" id="agroup__ds18b20__base__driver_html_gga6a1cab097fcad68347f07f97e1bb2af8a5333ef2c5e5ec44213bf3f40bd9aa50b"><div class="ttname"><a href="group__ds18b20__base__driver.html#gga6a1cab097fcad68347f07f97e1bb2af8a5333ef2c5e5ec44213bf3f40bd9aa50b">DS18B20_RESOLUTION_9BIT</a></div><div class="ttdeci">@ DS18B20_RESOLUTION_9BIT</div><div class="ttdef"><b>Definition:</b> <a href="driver__ds18b20_8h_source.html#l00099">driver_ds18b20.h:99</a></div></div>
<div class="ttc" id="agroup__ds18b20__base__driver_html_gga6a1cab097fcad68347f07f97e1bb2af8a6274d477f2d9d92a62050c3375c361a0"><div class="ttname"><a href="group__ds18b20__base__driver.html#gga6a1cab097fcad68347f07f97e1bb2af8a6274d477f2d9d92a62050c3375c361a0">DS18B20_RESOLUTION_10BIT</a></div><div class="ttdeci">@ DS18B20_RESOLUTION_10BIT</div><div class="ttdef"><b>Definition:</b> <a href="driver__ds18b20_8h_source.html#l00100">driver_ds18b20.h:100</a></div></div>
<div class="ttc" id="agroup__ds18b20__base__driver_html_gga6a1cab097fcad68347f07f97e1bb2af8af2f20b32fccc2658193d818188ae54ca"><div class="ttname"><a href="group__ds18b20__base__driver.html#gga6a1cab097fcad68347f07f97e1bb2af8af2f20b32fccc2658193d818188ae54ca">DS18B20_RESOLUTION_12BIT</a></div><div class="ttdeci">@ DS18B20_RESOLUTION_12BIT</div><div class="ttdef"><b>Definition:</b> <a href="driver__ds18b20_8h_source.html#l00102">driver_ds18b20.h:102</a></div></div>
<div class="ttc" id="agroup__ds18b20__base__driver_html_ggaa76e51e2201d4058f4274ca420c165f6a2240dc3e5f913d272861b29b87e06942"><div class="ttname"><a href="group__ds18b20__base__driver.html#ggaa76e51e2201d4058f4274ca420c165f6a2240dc3e5f913d272861b29b87e06942">DS18B20_MODE_SKIP_ROM</a></div><div class="ttdeci">@ DS18B20_MODE_SKIP_ROM</div><div class="ttdef"><b>Definition:</b> <a href="driver__ds18b20_8h_source.html#l00081">driver_ds18b20.h:81</a></div></div>
<div class="ttc" id="agroup__ds18b20__base__driver_html_ggaa76e51e2201d4058f4274ca420c165f6a6fefdf17cbb1204ac17187e4c6c96eeb"><div class="ttname"><a href="group__ds18b20__base__driver.html#ggaa76e51e2201d4058f4274ca420c165f6a6fefdf17cbb1204ac17187e4c6c96eeb">DS18B20_MODE_MATCH_ROM</a></div><div class="ttdeci">@ DS18B20_MODE_MATCH_ROM</div><div class="ttdef"><b>Definition:</b> <a href="driver__ds18b20_8h_source.html#l00082">driver_ds18b20.h:82</a></div></div>
<div class="ttc" id="astructds18b20__handle__s_html"><div class="ttname"><a href="structds18b20__handle__s.html">ds18b20_handle_s</a></div><div class="ttdoc">ds18b20 handle structure definition</div><div class="ttdef"><b>Definition:</b> <a href="driver__ds18b20_8h_source.html#l00108">driver_ds18b20.h:109</a></div></div>
<div class="ttc" id="astructds18b20__handle__s_html_a06c0ed41fc67fd360798b30e8ce1d480"><div class="ttname"><a href="structds18b20__handle__s.html#a06c0ed41fc67fd360798b30e8ce1d480">ds18b20_handle_s::enable_irq</a></div><div class="ttdeci">void(* enable_irq)(void)</div><div class="ttdef"><b>Definition:</b> <a href="driver__ds18b20_8h_source.html#l00116">driver_ds18b20.h:116</a></div></div>
<div class="ttc" id="astructds18b20__handle__s_html_a19bedf28d2b9748f6a62d9ae93f4e68f"><div class="ttname"><a href="structds18b20__handle__s.html#a19bedf28d2b9748f6a62d9ae93f4e68f">ds18b20_handle_s::inited</a></div><div class="ttdeci">uint8_t inited</div><div class="ttdef"><b>Definition:</b> <a href="driver__ds18b20_8h_source.html#l00119">driver_ds18b20.h:119</a></div></div>
<div class="ttc" id="astructds18b20__handle__s_html_a2193b7364a6c4090ba298435005b817a"><div class="ttname"><a href="structds18b20__handle__s.html#a2193b7364a6c4090ba298435005b817a">ds18b20_handle_s::bus_deinit</a></div><div class="ttdeci">uint8_t(* bus_deinit)(void)</div><div class="ttdef"><b>Definition:</b> <a href="driver__ds18b20_8h_source.html#l00111">driver_ds18b20.h:111</a></div></div>
<div class="ttc" id="astructds18b20__handle__s_html_a37e90f5e3bd99fac2021fb3a326607d4"><div class="ttname"><a href="structds18b20__handle__s.html#a37e90f5e3bd99fac2021fb3a326607d4">ds18b20_handle_s::mode</a></div><div class="ttdeci">uint8_t mode</div><div class="ttdef"><b>Definition:</b> <a href="driver__ds18b20_8h_source.html#l00120">driver_ds18b20.h:120</a></div></div>
<div class="ttc" id="astructds18b20__handle__s_html_a406c9433252b7366de417b7a60915c81"><div class="ttname"><a href="structds18b20__handle__s.html#a406c9433252b7366de417b7a60915c81">ds18b20_handle_s::delay_ms</a></div><div class="ttdeci">void(* delay_ms)(uint32_t ms)</div><div class="ttdef"><b>Definition:</b> <a href="driver__ds18b20_8h_source.html#l00114">driver_ds18b20.h:114</a></div></div>
<div class="ttc" id="astructds18b20__handle__s_html_a769d5b3a6c14790a0e126e8fe70b384b"><div class="ttname"><a href="structds18b20__handle__s.html#a769d5b3a6c14790a0e126e8fe70b384b">ds18b20_handle_s::debug_print</a></div><div class="ttdeci">void(* debug_print)(const char *const fmt,...)</div><div class="ttdef"><b>Definition:</b> <a href="driver__ds18b20_8h_source.html#l00118">driver_ds18b20.h:118</a></div></div>
<div class="ttc" id="astructds18b20__handle__s_html_a97ffc4fce945527bd6ab25a3596caef7"><div class="ttname"><a href="structds18b20__handle__s.html#a97ffc4fce945527bd6ab25a3596caef7">ds18b20_handle_s::delay_us</a></div><div class="ttdeci">void(* delay_us)(uint32_t us)</div><div class="ttdef"><b>Definition:</b> <a href="driver__ds18b20_8h_source.html#l00115">driver_ds18b20.h:115</a></div></div>
<div class="ttc" id="astructds18b20__handle__s_html_aac09376076eae94d89ca85ff63018eee"><div class="ttname"><a href="structds18b20__handle__s.html#aac09376076eae94d89ca85ff63018eee">ds18b20_handle_s::disable_irq</a></div><div class="ttdeci">void(* disable_irq)(void)</div><div class="ttdef"><b>Definition:</b> <a href="driver__ds18b20_8h_source.html#l00117">driver_ds18b20.h:117</a></div></div>
<div class="ttc" id="astructds18b20__handle__s_html_abe23165605a343d08776c029a60eb242"><div class="ttname"><a href="structds18b20__handle__s.html#abe23165605a343d08776c029a60eb242">ds18b20_handle_s::bus_read</a></div><div class="ttdeci">uint8_t(* bus_read)(uint8_t *value)</div><div class="ttdef"><b>Definition:</b> <a href="driver__ds18b20_8h_source.html#l00112">driver_ds18b20.h:112</a></div></div>
<div class="ttc" id="astructds18b20__handle__s_html_abfcb2d495a2e0ec23a7c710c62a95c5b"><div class="ttname"><a href="structds18b20__handle__s.html#abfcb2d495a2e0ec23a7c710c62a95c5b">ds18b20_handle_s::bus_write</a></div><div class="ttdeci">uint8_t(* bus_write)(uint8_t value)</div><div class="ttdef"><b>Definition:</b> <a href="driver__ds18b20_8h_source.html#l00113">driver_ds18b20.h:113</a></div></div>
<div class="ttc" id="astructds18b20__handle__s_html_adfb6535c66ecb88edda3273848aaf54d"><div class="ttname"><a href="structds18b20__handle__s.html#adfb6535c66ecb88edda3273848aaf54d">ds18b20_handle_s::bus_init</a></div><div class="ttdeci">uint8_t(* bus_init)(void)</div><div class="ttdef"><b>Definition:</b> <a href="driver__ds18b20_8h_source.html#l00110">driver_ds18b20.h:110</a></div></div>
<div class="ttc" id="astructds18b20__handle__s_html_ae3c9459b1dbf0dc64f4398a7b7c12e59"><div class="ttname"><a href="structds18b20__handle__s.html#ae3c9459b1dbf0dc64f4398a7b7c12e59">ds18b20_handle_s::rom</a></div><div class="ttdeci">uint8_t rom[8]</div><div class="ttdef"><b>Definition:</b> <a href="driver__ds18b20_8h_source.html#l00121">driver_ds18b20.h:121</a></div></div>
<div class="ttc" id="astructds18b20__info__s_html"><div class="ttname"><a href="structds18b20__info__s.html">ds18b20_info_s</a></div><div class="ttdoc">ds18b20 info structure definition</div><div class="ttdef"><b>Definition:</b> <a href="driver__ds18b20_8h_source.html#l00127">driver_ds18b20.h:128</a></div></div>
<div class="ttc" id="astructds18b20__info__s_html_a3366a5dce9b829e03c3d321c2b4df3f6"><div class="ttname"><a href="structds18b20__info__s.html#a3366a5dce9b829e03c3d321c2b4df3f6">ds18b20_info_s::temperature_max</a></div><div class="ttdeci">float temperature_max</div><div class="ttdef"><b>Definition:</b> <a href="driver__ds18b20_8h_source.html#l00136">driver_ds18b20.h:136</a></div></div>
<div class="ttc" id="astructds18b20__info__s_html_a3d2b12bcac7a85ea8646bff9debe8660"><div class="ttname"><a href="structds18b20__info__s.html#a3d2b12bcac7a85ea8646bff9debe8660">ds18b20_info_s::supply_voltage_max_v</a></div><div class="ttdeci">float supply_voltage_max_v</div><div class="ttdef"><b>Definition:</b> <a href="driver__ds18b20_8h_source.html#l00133">driver_ds18b20.h:133</a></div></div>
<div class="ttc" id="astructds18b20__info__s_html_a41b0bd442708b70d252c50b92c75265a"><div class="ttname"><a href="structds18b20__info__s.html#a41b0bd442708b70d252c50b92c75265a">ds18b20_info_s::driver_version</a></div><div class="ttdeci">uint32_t driver_version</div><div class="ttdef"><b>Definition:</b> <a href="driver__ds18b20_8h_source.html#l00137">driver_ds18b20.h:137</a></div></div>
<div class="ttc" id="astructds18b20__info__s_html_a8f9dbe66ac0b66ebae0a36fcb4ba368e"><div class="ttname"><a href="structds18b20__info__s.html#a8f9dbe66ac0b66ebae0a36fcb4ba368e">ds18b20_info_s::temperature_min</a></div><div class="ttdeci">float temperature_min</div><div class="ttdef"><b>Definition:</b> <a href="driver__ds18b20_8h_source.html#l00135">driver_ds18b20.h:135</a></div></div>
<div class="ttc" id="astructds18b20__info__s_html_a9db82802561bf22d799b03a345f1d1dc"><div class="ttname"><a href="structds18b20__info__s.html#a9db82802561bf22d799b03a345f1d1dc">ds18b20_info_s::max_current_ma</a></div><div class="ttdeci">float max_current_ma</div><div class="ttdef"><b>Definition:</b> <a href="driver__ds18b20_8h_source.html#l00134">driver_ds18b20.h:134</a></div></div>
<div class="ttc" id="astructds18b20__info__s_html_ad25285dbf810c90f8eaf3fcef6f2b2ea"><div class="ttname"><a href="structds18b20__info__s.html#ad25285dbf810c90f8eaf3fcef6f2b2ea">ds18b20_info_s::manufacturer_name</a></div><div class="ttdeci">char manufacturer_name[32]</div><div class="ttdef"><b>Definition:</b> <a href="driver__ds18b20_8h_source.html#l00130">driver_ds18b20.h:130</a></div></div>
<div class="ttc" id="astructds18b20__info__s_html_ad8bde6ddadaf43d951e62f3befb9d35a"><div class="ttname"><a href="structds18b20__info__s.html#ad8bde6ddadaf43d951e62f3befb9d35a">ds18b20_info_s::supply_voltage_min_v</a></div><div class="ttdeci">float supply_voltage_min_v</div><div class="ttdef"><b>Definition:</b> <a href="driver__ds18b20_8h_source.html#l00132">driver_ds18b20.h:132</a></div></div>
<div class="ttc" id="astructds18b20__info__s_html_aebaa6c28dd4f2c3dc27566fcb910fd28"><div class="ttname"><a href="structds18b20__info__s.html#aebaa6c28dd4f2c3dc27566fcb910fd28">ds18b20_info_s::interface</a></div><div class="ttdeci">char interface[8]</div><div class="ttdef"><b>Definition:</b> <a href="driver__ds18b20_8h_source.html#l00131">driver_ds18b20.h:131</a></div></div>
<div class="ttc" id="astructds18b20__info__s_html_af890958c72bd715cc6454a10dc846ae6"><div class="ttname"><a href="structds18b20__info__s.html#af890958c72bd715cc6454a10dc846ae6">ds18b20_info_s::chip_name</a></div><div class="ttdeci">char chip_name[32]</div><div class="ttdef"><b>Definition:</b> <a href="driver__ds18b20_8h_source.html#l00129">driver_ds18b20.h:129</a></div></div>
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